{"product_id":"ac-infinity-activated-carbon-refill","title":"AC Infinity Activated Carbon Refill – Carbon Filter Charcoal","description":"\u003ch2\u003eFresh Charcoal to Bring a Refillable Carbon Filter Back to Full Strength\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAC Infinity Activated Carbon Refill\u003c\/strong\u003e is loose, granular \u003cstrong\u003eAustralian virgin charcoal\u003c\/strong\u003e for emptying into a \u003cstrong\u003erefillable carbon filter\u003c\/strong\u003e once the old bed is spent. It is \u003cstrong\u003eRC412\u003c\/strong\u003e grade with a \u003cstrong\u003e1200+ IAV\u003c\/strong\u003e rating, the premium carbon AC Infinity use in their own duct filters, and its granules have a more porous surface than pelletised carbon, so more odour is trapped in the same space. AC Infinity lab-test the refill to block odours as effectively as a factory-built filter without any packing down, so restoring \u003cstrong\u003eodour control\u003c\/strong\u003e in a grow tent or grow room takes minutes and the filter body is kept rather than thrown away.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1200+ IAV rating\u003c\/strong\u003e — a high iodine value means more internal surface to trap odours and airborne chemicals, and longer between refills\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGranules, not pellets\u003c\/strong\u003e — the more porous granular surface adsorbs more than pelletised carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC412 Australian virgin charcoal\u003c\/strong\u003e — fine, high-density pores for fast adsorption\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory-filter performance\u003c\/strong\u003e — matches AC Infinity's built filters in their odour tests with no compressing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLess waste\u003c\/strong\u003e — replace only the carbon, keep the housing and flanges; AC Infinity say spent charcoal can go on the compost\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen Odours Start Getting Through\u003c\/h3\u003e\u003cp\u003eActivated carbon works by \u003cstrong\u003eadsorption\u003c\/strong\u003e: odour molecules and volatile compounds lock into millions of microscopic pores as the fan draws air through the bed. Once those pores are full, smells pass straight through, and high \u003cstrong\u003ehumidity\u003c\/strong\u003e uses up the capacity faster because moisture competes for the same surface. With a sealed filter the only answer is a new one. A refillable filter lets you change just the charcoal, restoring full odour control without restricting \u003cstrong\u003eairflow\u003c\/strong\u003e through the grow room.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch off the fan\u003c\/strong\u003e and take the filter down\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwist off a flange\u003c\/strong\u003e (on AC Infinity Refillable Carbon Filters) and empty out the spent charcoal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFill the chamber\u003c\/strong\u003e with fresh granules — the kit's funnel and scoop keep it tidy — right to the top so no air can bypass the carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefit the flange and pre-filter\u003c\/strong\u003e, rehang the filter and reconnect the ducting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReseal the bag\u003c\/strong\u003e between refills so unused carbon does not take up moisture and smells from the room\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModels:\u003c\/strong\u003e AC-CAR8 (8 lb \/ 3.6 kg) · AC-CAR16 (16 lb \/ 7.3 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon:\u003c\/strong\u003e Australian virgin activated charcoal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e 1200+ IAV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorosity:\u003c\/strong\u003e RC412\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e granules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefills, 8 lb:\u003c\/strong\u003e 100mm (4 in) refillable filter 2+ times · 150mm (6 in) 1+ time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefills, 16 lb:\u003c\/strong\u003e 100mm (4 in) 4+ times · 150mm (6 in) 2+ times · 200mm (8 in) 1+ time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuits:\u003c\/strong\u003e AC Infinity Refillable Carbon Filters (AC-RCF4, AC-RCF6, AC-RCF8) and other refillable carbon filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cdiv class=\"hcs-faq\"\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eCan I refill a standard sealed carbon filter with this?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo. Sealed filters are not made to be opened. The refill is for refillable filters such as the AC Infinity Refillable Carbon Filter, whose twist-off flanges let you empty and refill the chamber.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eWhich size do I need?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eFor a 100mm (4 in) or 150mm (6 in) refillable filter, 8 lb gives at least two refills of the 100mm or one of the 150mm. A 200mm (8 in) filter needs the 16 lb, which also covers at least four refills of a 100mm or two of a 150mm.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eHow often will I need to refill?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eIt depends on how hard the fan runs, the humidity and how strong the smells are. Refill when odours start to get through even with a clean pre-filter, after reversing the flanges to use the carbon evenly.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eDo I need to compress the charcoal?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo. AC Infinity designed the refillable chamber so the granules settle to the right density on their own, and lab-tested it to block odours as well as their factory-packed filters.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"AC Infinity","offers":[{"title":"8 lb (3.6 kg)","offer_id":53929888383242,"sku":"ENV-ACIN-049-01","price":36.9,"currency_code":"GBP","in_stock":true},{"title":"16 lb (7.3 kg)","offer_id":53929888416010,"sku":"ENV-ACIN-049-02","price":64.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/ac-infinity-activated-carbon-refill-8-lb-3-6-kg-1.jpg?v=1792261655","url":"https:\/\/hydrocropshop.co.uk\/products\/ac-infinity-activated-carbon-refill","provider":"Hydro Crop Shop","version":"1.0","type":"link"}