{"product_id":"can-lite-pre-filter-sleeve","title":"Can-Lite Pre-Filter Sleeve – For Can-Lite Carbon Filters","description":"\u003ch2\u003eCan-Lite Pre-Filter Sleeve – The Cheap Part That Protects the Expensive One\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003epre-filter sleeve\u003c\/strong\u003e is the fabric jacket that wraps the outside of a Can-Lite carbon filter. It catches \u003cstrong\u003edust, leaf debris and airborne particulates\u003c\/strong\u003e before they ever reach the carbon bed, and it is the single cheapest thing a grower can do to protect a filter that costs many times more.\u003c\/p\u003e\n\u003cp\u003eCarbon works by adsorption across an enormous internal surface area. Once that surface is blinded by dust it stops binding odour molecules — and no amount of running time brings it back. \u003cstrong\u003eA clogged pre-filter is reversible; a clogged carbon bed is not.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects the carbon bed\u003c\/strong\u003e — dust is stopped at the sleeve, not in the granules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine CAN-Filters part\u003c\/strong\u003e, cut to fit Can-Lite bodies exactly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestores airflow\u003c\/strong\u003e — a dirty sleeve chokes extraction long before the filter is spent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits in seconds\u003c\/strong\u003e, no tools and no ducting to disturb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashable between changes\u003c\/strong\u003e, replaceable when it greys\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree ratings\u003c\/strong\u003e matched to the Can-Lite range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLosing Extraction and Blaming the Fan\u003c\/h3\u003e\n\u003cp\u003eWhen a room starts running warmer and the extraction sounds strained, the fan is usually blameless — a pre-filter saturated with dust is throttling the whole system. Because it greys gradually nobody notices, and the fan simply works harder against the restriction, drawing more power and making more noise for less air moved. \u003cstrong\u003eReplacing the sleeve restores the original airflow immediately.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting:\u003c\/strong\u003e slide the sleeve over the filter body and seat it against the flange — no tools required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect:\u003c\/strong\u003e monthly in a dusty room, quarterly otherwise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace:\u003c\/strong\u003e roughly \u003cstrong\u003eevery 12 months\u003c\/strong\u003e, or sooner once it is visibly grey\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetween changes:\u003c\/strong\u003e a gentle rinse in cool water and a full dry restores most of the airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNever run the filter without one\u003c\/strong\u003e — the carbon is what you are protecting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"hcs-specs\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Replacement pre-filter sleeve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Non-woven filtration fabric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Can-Lite carbon filters, matched by airflow rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRatings available:\u003c\/strong\u003e 2500, 3500 and 4500 m³\/hr\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Approximately 12 months\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Rinse and dry between replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"CAN-Filters","offers":[{"title":"2500 m3\/hr","offer_id":53686326133002,"sku":"ENV-CANF-002-01","price":19.95,"currency_code":"GBP","in_stock":true},{"title":"3500 m3\/hr","offer_id":53686327640330,"sku":"ENV-CANF-002-02","price":19.95,"currency_code":"GBP","in_stock":true},{"title":"4500 m3\/hr","offer_id":53686327673098,"sku":"ENV-CANF-002-03","price":19.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/da948ceb.jpg?v=1789133654","url":"https:\/\/hydrocropshop.co.uk\/products\/can-lite-pre-filter-sleeve","provider":"Hydro Crop Shop","version":"1.0","type":"link"}