{"title":"Filter Boxes","description":"\u003cstyle\u003e\n\/* Neutralise the theme's height-based clamp on the collection description and hide\n   its toggle. Visibility is controlled by the \u003cdetails\u003e below instead, mirroring the\n   PDP's pdp-summary-more pattern: the author decides where the summary ends, so there\n   is no measuring, no fade, and nothing gets cut mid-sentence at any viewport. *\/\n.collection__description.expandable-content{max-height:none!important;padding-bottom:0!important}\n.collection__description .expandable-content__toggle{display:none!important}\n.collection__description,.collection__description .rte{overflow:visible!important}\n\n#efans-subnav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:44px 0 4px;padding:4px 0 8px;position:relative}\n#efans-subnav \u003e a{flex:0 0 auto;white-space:nowrap;display:inline-flex;align-items:center;padding:12px 14px;border:1px solid #d6d6d6;border-radius:999px;background:#fff;color:#222;font-size:14px;font-weight:500;line-height:1.3;text-decoration:none;cursor:pointer;transition:border-color .15s,background-color .15s,color .15s}\n#efans-subnav \u003e a:hover{border-color:#000;color:#000}\n#efans-subnav \u003e a.efx-active,#efans-subnav \u003e a.efx-active:hover{background:#000;border-color:#000;color:#fff}\n#efans-subnav \u003e a.efx-active::after{content:\"\\00d7\";margin-left:8px;font-size:16px;line-height:1}\n\n.efx-more{margin-top:28px}\n.efx-more \u003e summary{list-style:none;cursor:pointer;display:inline-block;color:var(--text-color);text-decoration:underline;text-decoration-style:dotted;text-underline-offset:3px}\n.efx-more \u003e summary::-webkit-details-marker{display:none}\n.efx-more \u003e summary:hover{color:var(--heading-color)}\n.efx-more .efx-more__open{display:none}\n.efx-more[open] \u003e summary .efx-more__closed{display:none}\n.efx-more[open] \u003e summary .efx-more__open{display:inline}\n.efx-more__content{margin-top:24px}\n.efx-more__content h2:first-child{margin-top:0}\n\u003c\/style\u003e\n\n\u003cp\u003eDuct mounted filter boxes (filter cassette boxes) for round ventilation ducting. We stock the Systemair FGR and FFR series from 100mm to 400mm, fitted inline to hold a replaceable panel filter that protects fans, heat exchangers and supply air from dust and pollen. FFR boxes come with a BFR-M5 filter included. All genuine Systemair, in UK stock with next working day delivery. Use the buttons below to filter by duct size, or for help choosing the right box or replacement filters email \u003ca href=\"mailto:hello@efans.co.uk\"\u003ehello@efans.co.uk\u003c\/a\u003e or call \u003ca href=\"tel:01613993825\"\u003e0161 399 3825\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdetails class=\"efx-more\"\u003e\n\u003csummary\u003e\u003cspan class=\"efx-more__closed\"\u003eRead more\u003c\/span\u003e\u003cspan class=\"efx-more__open\"\u003eRead less\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"efx-more__content\"\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is a duct filter box for?\u003c\/h3\u003e\n\u003cp\u003eA filter box sits inline in the ductwork and holds a replaceable filter cassette, cleaning the air passing through. It protects the fan and any downstream heat exchanger or coil from dust build-up and keeps supply air clean, which matters on MVHR, supply and commercial systems.\u003c\/p\u003e\n\n\u003ch3\u003eFGR or FFR, what's the difference?\u003c\/h3\u003e\n\u003cp\u003eBoth are circular duct mounted filter cassette boxes. The FFR is supplied complete with a BFR-M5 filter ready to run; the FGR is the filter box housing. Choose the size to match your duct diameter, 100mm to 400mm.\u003c\/p\u003e\n\n\u003ch3\u003eWhich filter grade and how often do I replace it?\u003c\/h3\u003e\n\u003cp\u003eThese boxes take BFR panel filters, commonly M5 (medium) grade for general supply and extract; finer grades are available where cleaner air is needed. Replace filters when they discolour or airflow drops, typically every 6 to 12 months depending on the environment. Keep spare \u003ca href=\"\/collections\/filters\"\u003eBFR filters\u003c\/a\u003e on hand.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdiv id=\"efans-subnav\"\u003e\n\u003ca rel=\"nofollow\" data-tag=\"size_100mm\" href=\"\/collections\/filter-boxes\/size_100mm\"\u003e100mm\u003c\/a\u003e\n\u003ca rel=\"nofollow\" data-tag=\"size_125mm\" href=\"\/collections\/filter-boxes\/size_125mm\"\u003e125mm\u003c\/a\u003e\n\u003ca rel=\"nofollow\" data-tag=\"size_150mm\" href=\"\/collections\/filter-boxes\/size_150mm\"\u003e150mm\u003c\/a\u003e\n\u003ca rel=\"nofollow\" data-tag=\"size_200mm\" href=\"\/collections\/filter-boxes\/size_200mm\"\u003e200mm\u003c\/a\u003e\n\u003ca rel=\"nofollow\" data-tag=\"size_250mm\" href=\"\/collections\/filter-boxes\/size_250mm\"\u003e250mm\u003c\/a\u003e\n\u003ca rel=\"nofollow\" data-tag=\"size_315mm\" href=\"\/collections\/filter-boxes\/size_315mm\"\u003e315mm\u003c\/a\u003e\n\u003ca rel=\"nofollow\" data-tag=\"size_355mm\" href=\"\/collections\/filter-boxes\/size_355mm\"\u003e355mm\u003c\/a\u003e\n\u003ca rel=\"nofollow\" data-tag=\"size_400mm\" href=\"\/collections\/filter-boxes\/size_400mm\"\u003e400mm\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cscript\u003e\n(function(){var n=document.getElementById('efans-subnav');if(!n)return;var base='\/collections\/filter-boxes';\nvar p=location.pathname.replace(\/\\\/$\/,''),seg=p.indexOf(base+'\/')===0?decodeURIComponent(p.slice(base.length+1)):'';\nvar cur=seg?seg.split('+').filter(Boolean):[];\nfunction url(list){return list.length?base+'\/'+list.join('+'):base;}\nn.querySelectorAll('a[data-tag]').forEach(function(a){var t=a.getAttribute('data-tag'),g=t.split('_')[0],on=cur.indexOf(t)\u003e-1;\na.setAttribute('href',url(on?cur.filter(function(x){return x!==t;}):cur.filter(function(x){return x.split('_')[0]!==g;}).concat([t])));\nif(on){a.classList.add('efx-active');a.setAttribute('aria-pressed','true');a.title='Remove this filter';}});})();\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is a duct filter box for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A filter box sits inline in the ductwork and holds a replaceable filter cassette, cleaning the air passing through. It protects the fan and any downstream heat exchanger or coil from dust build-up and keeps supply air clean, which matters on MVHR, supply and commercial systems.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between a Systemair FGR and FFR filter box?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Both are circular duct mounted filter cassette boxes. The FFR is supplied complete with a BFR-M5 filter ready to run; the FGR is the filter box housing. Choose the size to match your duct diameter, 100mm to 400mm.\"}},{\"@type\":\"Question\",\"name\":\"Which filter grade do duct filter boxes take, and how often do I replace it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These boxes take BFR panel filters, commonly M5 medium grade for general supply and extract; finer grades are available where cleaner air is needed. Replace filters when they discolour or airflow drops, typically every 6 to 12 months depending on the environment.\"}}]}\n\u003c\/script\u003e\n","products":[{"product_id":"systemair-fgr-filter-cassette-box-100mm","title":"Systemair FGR Filter Cassette Box - 100mm","description":"\u003cp\u003eThe Systemair FGR 100mm filter cassette box fits circular ducts and comes fitted with a standard G3 panel filter. The housing is galvanised sheet steel with rubber-sealed circular connections, toggle locks and disposable filters.\u003c\/p\u003e\u003cp\u003eIt is used as a supply-air filter in heavy industry and industrial workshops. The recommended final pressure drop for the G3 filter is 170 Pa. Nytrel panel filters are available for exhaust air from tumble driers on sizes 100 to 200.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100mm\u003c\/li\u003e\n\u003cli\u003ePanel filter cassette\u003c\/li\u003e\n\u003cli\u003eG3 filter fitted\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFGR 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePanel filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter fitted\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3 panel filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle locks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa (G3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy industry and industrial workshops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FGR_100_Filter_Cassette.pdf\" title=\"Systemair FGR Filter Cassette Box Datasheet\"\u003eSystemair FGR Filter Cassette Box Datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44473977831745,"sku":"1802","price":89.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/fgr_b8a228d5-9086-4ef3-b5cf-e2345f24c60a.jpg?v=1793885520"},{"product_id":"systemair-fgr-filter-cassette-box-125mm","title":"Systemair FGR Filter Cassette Box - 125mm","description":"\u003cp\u003eThe Systemair FGR 125mm filter cassette box fits circular ducts and comes fitted with a standard G3 panel filter. The housing is galvanised sheet steel with rubber-sealed circular connections, toggle locks and disposable filters.\u003c\/p\u003e\u003cp\u003eIt is used as a supply-air filter in heavy industry and industrial workshops. The recommended final pressure drop for the G3 filter is 170 Pa. Nytrel panel filters are available for exhaust air from tumble driers on sizes 100 to 200.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e125mm\u003c\/li\u003e\n\u003cli\u003ePanel filter cassette\u003c\/li\u003e\n\u003cli\u003eG3 filter fitted\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFGR 125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePanel filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e125mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter fitted\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3 panel filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle locks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa (G3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy industry and industrial workshops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FGR_100_Filter_Cassette.pdf\" title=\"Systemair FGR Filter Cassette Box Datasheet\"\u003eSystemair FGR Filter Cassette Box Datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44473998147905,"sku":"1804","price":94.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/fgr_be2c7329-18dd-4c92-be3c-9eeeb7bb4905.jpg?v=1793885522"},{"product_id":"systemair-fgr-filter-cassette-box-150mm","title":"Systemair FGR Filter Cassette Box - 150mm","description":"\u003cp\u003eThe Systemair FGR 150mm filter cassette box fits circular ducts and comes fitted with a standard G3 panel filter. The housing is galvanised sheet steel with rubber-sealed circular connections, toggle locks and disposable filters.\u003c\/p\u003e\u003cp\u003eIt is used as a supply-air filter in heavy industry and industrial workshops. The recommended final pressure drop for the G3 filter is 170 Pa. Nytrel panel filters are available for exhaust air from tumble driers on sizes 100 to 200.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e150mm\u003c\/li\u003e\n\u003cli\u003ePanel filter cassette\u003c\/li\u003e\n\u003cli\u003eG3 filter fitted\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFGR 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePanel filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter fitted\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3 panel filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle locks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa (G3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy industry and industrial workshops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FGR_100_Filter_Cassette.pdf\" title=\"Systemair FGR Filter Cassette Box Datasheet\"\u003eSystemair FGR Filter Cassette Box Datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474019348801,"sku":"1807","price":98.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/fgr_2f7fc1a6-bd0e-451b-85bf-8daae8bb5f53.jpg?v=1793885523"},{"product_id":"systemair-fgr-filter-cassette-box-200mm","title":"Systemair FGR Filter Cassette Box - 200mm","description":"\u003cp\u003eThe Systemair FGR 200mm filter cassette box fits circular ducts and comes fitted with a standard G3 panel filter. The housing is galvanised sheet steel with rubber-sealed circular connections, toggle locks and disposable filters.\u003c\/p\u003e\u003cp\u003eIt is used as a supply-air filter in heavy industry and industrial workshops. The recommended final pressure drop for the G3 filter is 170 Pa. Nytrel panel filters are available for exhaust air from tumble driers on sizes 100 to 200.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e200mm\u003c\/li\u003e\n\u003cli\u003ePanel filter cassette\u003c\/li\u003e\n\u003cli\u003eG3 filter fitted\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFGR 200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePanel filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter fitted\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3 panel filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle locks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa (G3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy industry and industrial workshops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FGR_100_Filter_Cassette.pdf\" title=\"Systemair FGR Filter Cassette Box Datasheet\"\u003eSystemair FGR Filter Cassette Box Datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474045235521,"sku":"1812","price":104.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/fgr_30d4efcf-b619-4cfb-860b-a43689bf0357.jpg?v=1793885917"},{"product_id":"systemair-fgr-filter-cassette-box-250mm","title":"Systemair FGR Filter Cassette Box - 250mm","description":"\u003cp\u003eThe Systemair FGR 250mm filter cassette box fits circular ducts and comes fitted with a standard G3 panel filter. The housing is galvanised sheet steel with rubber-sealed circular connections, toggle locks and disposable filters.\u003c\/p\u003e\u003cp\u003eIt is used as a supply-air filter in heavy industry and industrial workshops. The recommended final pressure drop for the G3 filter is 170 Pa. Nytrel panel filters are available for exhaust air from tumble driers on sizes 100 to 200.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e250mm\u003c\/li\u003e\n\u003cli\u003ePanel filter cassette\u003c\/li\u003e\n\u003cli\u003eG3 filter fitted\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFGR 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePanel filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter fitted\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3 panel filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle locks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa (G3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy industry and industrial workshops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FGR_100_Filter_Cassette.pdf\" title=\"Systemair FGR Filter Cassette Box Datasheet\"\u003eSystemair FGR Filter Cassette Box Datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474060538177,"sku":"1815","price":118.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/fgr_0fe18e5c-7c4e-465a-b2d5-0e3bf42c99b7.jpg?v=1793885917"},{"product_id":"systemair-fgr-filter-cassette-box-315mm","title":"Systemair FGR Filter Cassette Box - 315mm","description":"\u003cp\u003eThe Systemair FGR 315mm filter cassette box fits circular ducts and comes fitted with a standard G3 panel filter. The housing is galvanised sheet steel with rubber-sealed circular connections, toggle locks and disposable filters.\u003c\/p\u003e\u003cp\u003eIt is used as a supply-air filter in heavy industry and industrial workshops. The recommended final pressure drop for the G3 filter is 170 Pa. Nytrel panel filters are available for exhaust air from tumble driers on sizes 100 to 200.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e315mm\u003c\/li\u003e\n\u003cli\u003ePanel filter cassette\u003c\/li\u003e\n\u003cli\u003eG3 filter fitted\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFGR 315\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePanel filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e315mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter fitted\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3 panel filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle locks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa (G3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy industry and industrial workshops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FGR_100_Filter_Cassette.pdf\" title=\"Systemair FGR Filter Cassette Box Datasheet\"\u003eSystemair FGR Filter Cassette Box Datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474068894017,"sku":"1818","price":142.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/fgr_4474a204-73e5-4bae-9f35-b96f4e75383e.jpg?v=1793885918"},{"product_id":"systemair-fgr-filter-cassette-box-355mm","title":"Systemair FGR Filter Cassette Box - 355mm","description":"\u003cp\u003eThe Systemair FGR 355mm filter cassette box fits circular ducts and comes fitted with a standard G3 panel filter. The housing is galvanised sheet steel with rubber-sealed circular connections, toggle locks and disposable filters.\u003c\/p\u003e\u003cp\u003eIt is used as a supply-air filter in heavy industry and industrial workshops. The recommended final pressure drop for the G3 filter is 170 Pa. Nytrel panel filters are available for exhaust air from tumble driers on sizes 100 to 200.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e355mm\u003c\/li\u003e\n\u003cli\u003ePanel filter cassette\u003c\/li\u003e\n\u003cli\u003eG3 filter fitted\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFGR 355\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePanel filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e355mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter fitted\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3 panel filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle locks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa (G3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy industry and industrial workshops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FGR_100_Filter_Cassette.pdf\" title=\"Systemair FGR Filter Cassette Box Datasheet\"\u003eSystemair FGR Filter Cassette Box Datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474073514305,"sku":"1821","price":194.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/fgr_85566591-ab8f-4e60-8da2-3c305bb363d3.jpg?v=1793885917"},{"product_id":"systemair-fgr-filter-cassette-box-400mm","title":"Systemair FGR Filter Cassette Box - 400mm","description":"\u003cp\u003eThe Systemair FGR 400mm filter cassette box fits circular ducts and comes fitted with a standard G3 panel filter. The housing is galvanised sheet steel with rubber-sealed circular connections, toggle locks and disposable filters.\u003c\/p\u003e\u003cp\u003eIt is used as a supply-air filter in heavy industry and industrial workshops. The recommended final pressure drop for the G3 filter is 170 Pa. Nytrel panel filters are available for exhaust air from tumble driers on sizes 100 to 200.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e400mm\u003c\/li\u003e\n\u003cli\u003ePanel filter cassette\u003c\/li\u003e\n\u003cli\u003eG3 filter fitted\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFGR 400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePanel filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter fitted\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3 panel filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle locks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa (G3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy industry and industrial workshops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FGR_100_Filter_Cassette.pdf\" title=\"Systemair FGR Filter Cassette Box Datasheet\"\u003eSystemair FGR Filter Cassette Box Datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474085409089,"sku":"1823","price":197.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/fgr_3e1b58fc-6ba5-41c1-8109-58e3fcfe57ca.jpg?v=1793885520"},{"product_id":"systemair-ffr-filter-cassette-box-duct-mounted-circular-with-bfr-m5-filter-100mm","title":"Systemair FFR Filter Cassette Box Duct Mounted Circular With BFR-M5 Filter - 100mm","description":"\u003cp\u003eThe Systemair FFR 100mm filter cassette box is a duct-mounted circular unit designed for BFR bag filters in G3, M5 or F7 grades. It is supplied with a standard BFR M5 (Coarse 70%) bag filter.\u003c\/p\u003e\u003cp\u003eThe housing is galvanised sheet steel with rubber-sealed circular connections, toggle fasteners and a pressure-sensor connection. Recommended final pressure drops are 170 Pa (G3), 200 Pa (M5) and 250 Pa (F7). Replacement BFR filters are ordered separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100mm\u003c\/li\u003e\n\u003cli\u003eBag filter cassette\u003c\/li\u003e\n\u003cli\u003eM5 bag filter included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFFR 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBag filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBFR M5 (Coarse 70%) bag filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible filters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3, M5, F7 BFR bag filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle fasteners, pressure-sensor connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa G3, 200 Pa M5, 250 Pa F7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FFR_Filter_box_Dimension_Sheet.pdf\" title=\"Systemair FFR Filter Box Dimension Data Sheet\"\u003eSystemair FFR Filter Box Dimension Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474131120449,"sku":"1766","price":181.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/FFRRangeBagFilterBoxDuctMountedCircular_1e6797e7-6e13-441a-8f6d-941478325261.jpg?v=1793885521"},{"product_id":"systemair-ffr-filter-cassette-box-duct-mounted-circular-with-bfr-m5-filter-125mm","title":"Systemair FFR Filter Cassette Box Duct Mounted Circular With BFR-M5 Filter - 125mm","description":"\u003cp\u003eThe Systemair FFR 125mm filter cassette box is a duct-mounted circular unit designed for BFR bag filters in G3, M5 or F7 grades. It is supplied with a standard BFR M5 (Coarse 70%) bag filter.\u003c\/p\u003e\u003cp\u003eThe housing is galvanised sheet steel with rubber-sealed circular connections, toggle fasteners and a pressure-sensor connection. Recommended final pressure drops are 170 Pa (G3), 200 Pa (M5) and 250 Pa (F7). Replacement BFR filters are ordered separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e125mm\u003c\/li\u003e\n\u003cli\u003eBag filter cassette\u003c\/li\u003e\n\u003cli\u003eM5 bag filter included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFFR 125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBag filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e125mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBFR M5 (Coarse 70%) bag filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible filters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3, M5, F7 BFR bag filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle fasteners, pressure-sensor connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa G3, 200 Pa M5, 250 Pa F7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FFR_Filter_box_Dimension_Sheet.pdf\" title=\"Systemair FFR Filter Box Dimension Data Sheet\"\u003eSystemair FFR Filter Box Dimension Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474144522561,"sku":"1768","price":170.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/FFRRangeBagFilterBoxDuctMountedCircular_4afc3d45-17c2-4067-b508-91c145829f6f.jpg?v=1793885917"},{"product_id":"systemair-ffr-filter-cassette-box-duct-mounted-circular-with-bfr-m5-filter-150mm","title":"Systemair FFR Filter Cassette Box Duct Mounted Circular With BFR-M5 Filter - 150mm","description":"\u003cp\u003eThe Systemair FFR 150mm filter cassette box is a duct-mounted circular unit designed for BFR bag filters in G3, M5 or F7 grades. It is supplied with a standard BFR M5 (Coarse 70%) bag filter.\u003c\/p\u003e\u003cp\u003eThe housing is galvanised sheet steel with rubber-sealed circular connections, toggle fasteners and a pressure-sensor connection. Recommended final pressure drops are 170 Pa (G3), 200 Pa (M5) and 250 Pa (F7). Replacement BFR filters are ordered separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e150mm\u003c\/li\u003e\n\u003cli\u003eBag filter cassette\u003c\/li\u003e\n\u003cli\u003eM5 bag filter included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFFR 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBag filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBFR M5 (Coarse 70%) bag filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible filters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3, M5, F7 BFR bag filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle fasteners, pressure-sensor connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa G3, 200 Pa M5, 250 Pa F7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FFR_Filter_box_Dimension_Sheet.pdf\" title=\"Systemair FFR Filter Box Dimension Data Sheet\"\u003eSystemair FFR Filter Box Dimension Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474152681793,"sku":"1769","price":163.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/FFRRangeBagFilterBoxDuctMountedCircular_e43c0049-aff1-4a51-b977-698a0c85d32b.jpg?v=1793885917"},{"product_id":"systemair-ffr-filter-cassette-box-duct-mounted-circular-with-bfr-m5-filter-200mm","title":"Systemair FFR Filter Cassette Box Duct Mounted Circular With BFR-M5 Filter - 200mm","description":"\u003cp\u003eThe Systemair FFR 200mm filter cassette box is a duct-mounted circular unit designed for BFR bag filters in G3, M5 or F7 grades. It is supplied with a standard BFR M5 (Coarse 70%) bag filter.\u003c\/p\u003e\u003cp\u003eThe housing is galvanised sheet steel with rubber-sealed circular connections, toggle fasteners and a pressure-sensor connection. Recommended final pressure drops are 170 Pa (G3), 200 Pa (M5) and 250 Pa (F7). Replacement BFR filters are ordered separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e200mm\u003c\/li\u003e\n\u003cli\u003eBag filter cassette\u003c\/li\u003e\n\u003cli\u003eM5 bag filter included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFFR 200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBag filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBFR M5 (Coarse 70%) bag filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible filters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3, M5, F7 BFR bag filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle fasteners, pressure-sensor connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa G3, 200 Pa M5, 250 Pa F7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FFR_Filter_box_Dimension_Sheet.pdf\" title=\"Systemair FFR Filter Box Dimension Data Sheet\"\u003eSystemair FFR Filter Box Dimension Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474174210369,"sku":"1773","price":206.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/FFRRangeBagFilterBoxDuctMountedCircular_c17c6c16-0b81-4d4c-a1eb-5dc8b0bb15bc.jpg?v=1793885918"},{"product_id":"systemair-ffr-filter-cassette-box-duct-mounted-circular-with-bfr-m5-filter-250mm","title":"Systemair FFR Filter Cassette Box Duct Mounted Circular With BFR-M5 Filter - 250mm","description":"\u003cp\u003eThe Systemair FFR 250mm filter cassette box is a duct-mounted circular unit designed for BFR bag filters in G3, M5 or F7 grades. It is supplied with a standard BFR M5 (Coarse 70%) bag filter.\u003c\/p\u003e\u003cp\u003eThe housing is galvanised sheet steel with rubber-sealed circular connections, toggle fasteners and a pressure-sensor connection. Recommended final pressure drops are 170 Pa (G3), 200 Pa (M5) and 250 Pa (F7). Replacement BFR filters are ordered separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e250mm\u003c\/li\u003e\n\u003cli\u003eBag filter cassette\u003c\/li\u003e\n\u003cli\u003eM5 bag filter included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFFR 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBag filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBFR M5 (Coarse 70%) bag filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible filters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3, M5, F7 BFR bag filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle fasteners, pressure-sensor connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa G3, 200 Pa M5, 250 Pa F7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FFR_Filter_box_Dimension_Sheet.pdf\" title=\"Systemair FFR Filter Box Dimension Data Sheet\"\u003eSystemair FFR Filter Box Dimension Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474174964033,"sku":"1776","price":244.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/FFRRangeBagFilterBoxDuctMountedCircular_bf593777-914e-4bcf-87c4-f598271d426c.jpg?v=1793885521"},{"product_id":"systemair-ffr-filter-cassette-box-duct-mounted-circular-with-bfr-m5-filter-315mm","title":"Systemair FFR Filter Cassette Box Duct Mounted Circular With BFR-M5 Filter - 315mm","description":"\u003cp\u003eThe Systemair FFR 315mm filter cassette box is a duct-mounted circular unit designed for BFR bag filters in G3, M5 or F7 grades. It is supplied with a standard BFR M5 (Coarse 70%) bag filter.\u003c\/p\u003e\u003cp\u003eThe housing is galvanised sheet steel with rubber-sealed circular connections, toggle fasteners and a pressure-sensor connection. Recommended final pressure drops are 170 Pa (G3), 200 Pa (M5) and 250 Pa (F7). Replacement BFR filters are ordered separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e315mm\u003c\/li\u003e\n\u003cli\u003eBag filter cassette\u003c\/li\u003e\n\u003cli\u003eM5 bag filter included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFFR 315\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBag filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e315mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBFR M5 (Coarse 70%) bag filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible filters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3, M5, F7 BFR bag filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle fasteners, pressure-sensor connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa G3, 200 Pa M5, 250 Pa F7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FFR_Filter_box_Dimension_Sheet.pdf\" title=\"Systemair FFR Filter Box Dimension Data Sheet\"\u003eSystemair FFR Filter Box Dimension Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474176504129,"sku":"1779","price":270.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/FFRRangeBagFilterBoxDuctMountedCircular_c0b948a2-58b6-47ec-a3b6-43949e0aef7e.jpg?v=1793885917"},{"product_id":"systemair-ffr-filter-cassette-box-duct-mounted-circular-with-bfr-m5-filter-355mm","title":"Systemair FFR Filter Cassette Box Duct Mounted Circular With BFR-M5 Filter - 355mm","description":"\u003cp\u003eThe Systemair FFR 355mm filter cassette box is a duct-mounted circular unit designed for BFR bag filters in G3, M5 or F7 grades. It is supplied with a standard BFR M5 (Coarse 70%) bag filter.\u003c\/p\u003e\u003cp\u003eThe housing is galvanised sheet steel with rubber-sealed circular connections, toggle fasteners and a pressure-sensor connection. Recommended final pressure drops are 170 Pa (G3), 200 Pa (M5) and 250 Pa (F7). Replacement BFR filters are ordered separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e355mm\u003c\/li\u003e\n\u003cli\u003eBag filter cassette\u003c\/li\u003e\n\u003cli\u003eM5 bag filter included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFFR 355\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBag filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e355mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBFR M5 (Coarse 70%) bag filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible filters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3, M5, F7 BFR bag filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle fasteners, pressure-sensor connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa G3, 200 Pa M5, 250 Pa F7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FFR_Filter_box_Dimension_Sheet.pdf\" title=\"Systemair FFR Filter Box Dimension Data Sheet\"\u003eSystemair FFR Filter Box Dimension Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474181222721,"sku":"1782","price":255.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/FFRRangeBagFilterBoxDuctMountedCircular_103380db-fdc7-4cd2-994e-49ebf2162983.jpg?v=1793885918"},{"product_id":"systemair-ffr-filter-cassette-box-duct-mounted-circular-with-bfr-m5-filter-400mm","title":"Systemair FFR Filter Cassette Box Duct Mounted Circular With BFR-M5 Filter - 400mm","description":"\u003cp\u003eThe Systemair FFR 400mm filter cassette box is a duct-mounted circular unit designed for BFR bag filters in G3, M5 or F7 grades. It is supplied with a standard BFR M5 (Coarse 70%) bag filter.\u003c\/p\u003e\u003cp\u003eThe housing is galvanised sheet steel with rubber-sealed circular connections, toggle fasteners and a pressure-sensor connection. Recommended final pressure drops are 170 Pa (G3), 200 Pa (M5) and 250 Pa (F7). Replacement BFR filters are ordered separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e400mm\u003c\/li\u003e\n\u003cli\u003eBag filter cassette\u003c\/li\u003e\n\u003cli\u003eM5 bag filter included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystemair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFFR 400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBag filter cassette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBFR M5 (Coarse 70%) bag filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible filters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG3, M5, F7 BFR bag filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanised sheet steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber-sealed circular, toggle fasteners, pressure-sensor connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended final pressure drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 Pa G3, 200 Pa M5, 250 Pa F7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManuals \u0026amp; Guides\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/files\/Systemair_FFR_Filter_box_Dimension_Sheet.pdf\" title=\"Systemair FFR Filter Box Dimension Data Sheet\"\u003eSystemair FFR Filter Box Dimension Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Systemair","offers":[{"title":"Default Title","offer_id":44474186006849,"sku":"1783","price":300.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/3932\/0965\/products\/FFRRangeBagFilterBoxDuctMountedCircular_0e6e68fb-e464-4c85-a434-f8c4897848d0.jpg?v=1793885523"}],"url":"https:\/\/www.efans.co.uk\/collections\/filter-boxes\/size_100mm.oembed","provider":"eFans Direct Ltd","version":"1.0","type":"link"}