{"product_id":"active-air-inline-carbon-filter-8x30","title":"Active Air Inline Carbon Filter - 8\" x 30\"","description":"\u003ch4\u003e\u003c\/h4\u003e\u003ch2\u003eActive Air Inline Carbon Filter - 8\" x 30\"\u003c\/h2\u003e\u003cdiv\u003e\n\u003cp\u003eStandard carbon filters are terminal. Because they're closed at one end, they have to sit at the end of a duct run, which usually forces the filter, and often the fan, to take up space inside the grow room. The Active Air Inline Carbon Filter 8\" × 30\" removes that constraint. Filtration happens inside the solid body of the filter rather than through an exterior mesh, so it can be installed anywhere along a duct run: inside the room, outside it, in a cabinet above, or in an adjacent space. For peak efficiency, pair it with the matching Active Air Pre-Filter.\u003c\/p\u003e\n\u003cp\u003eThe 8\" × 30\" model is rated at 750 CFM through an 8\" flange, a 50% jump in airflow over the \u003ca href=\"\/products\/active-air-inline-carbon-filter-6x24\" style=\"color:#2c5530;\"\u003eActive Air Inline Carbon Filter 6\" × 24\"\u003c\/a\u003e, which suits larger grow spaces and higher-output ventilation systems. Its two-stage design filters air once as it enters the filter body and again as it exits, for more thorough odor elimination than single-pass designs. Dual airflow direction means there's no wrong way to orient the filter in your duct line, which simplifies installation in tight or unconventional spaces.\u003c\/p\u003e\n\u003c\/div\u003e\u003ch4\u003eFeatures\u003c\/h4\u003e\u003cstyle\u003e.features-grid-container{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;padding:2rem 0;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;margin:0 auto;max-width:1240px;}.feature-card{background-color:transparent;padding:1.5rem;border-radius:8px;text-align:center;flex:0 1 240px;box-sizing:border-box;}\u003c\/style\u003e\u003cdiv class=\"features-grid-container\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e🔧\u003c\/span\u003e\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eTrue Inline Design\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eInstalls anywhere along a duct run, not just at the end, so the filter can sit entirely outside the grow room.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e🔄\u003c\/span\u003e\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eTwo-Stage Filtration\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eAir passes through the carbon bed twice, on entry and on exit, for more thorough odor adsorption than single-pass filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e💨\u003c\/span\u003e\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003e750 CFM Airflow Rating\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eRated for 750 CFM through an 8\" flange, sized for larger grow rooms and high-output 8\" inline fans.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e↔️\u003c\/span\u003e\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eDual Airflow Direction\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eAccepts airflow from either end, eliminating orientation guesswork in tight or unconventional duct layouts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e📐\u003c\/span\u003e\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003e1\" Carbon Bed Depth\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eA solid 1\" carbon bed across a longer 30\" body keeps air in steady contact with activated carbon for reliable odor control.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e🌱\u003c\/span\u003e\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eFlexible Room Placement\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eIdeal for tents, cabinets and tight spaces where equipment belongs outside. Monitor conditions with an \u003ca href=\"\/products\/active-air-hygro-thermometer\" style=\"color:#2c5530;\"\u003eActive Air Hygro-Thermometer\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 1em; border: 1px solid #eee;\"\u003e\n\u003cthead style=\"background-color: #f8f8f8;\"\u003e\u003ctr\u003e\n\u003cth style=\"padding: 12px 8px; text-align: left; border-bottom: 2px solid #ccc; font-weight: bold;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 12px 8px; text-align: left; border-bottom: 2px solid #ccc; font-weight: bold;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003eFilter Size\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003e8\" × 30\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003eAirflow Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003e750 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003eFlange Size\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003e8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003eCarbon Bed Depth\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003eFiltration Stages\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003eTwo-stage (entry and exit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003eAirflow Direction\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003eDual (bidirectional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003eInstallation Type\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003eInline (mid-duct)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003eDimensions (Unit)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; text-align: left; border-bottom: 1px solid #eee;\"\u003e14.7\" L × 14.7\" W × 38.0\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eWhat makes an inline carbon filter different from a standard terminal filter?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\u003cdiv\u003e\u003cp\u003eA terminal filter is closed at one end, so it has to sit at the end of the duct run, typically inside the grow room. The Active Air Inline Carbon Filter is open at both ends and connects mid-duct, so it can be installed anywhere along the duct line. That lets you mount it outside the grow room entirely and run ducting into the space to extract air.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eHow does two-stage filtration improve odor control?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\u003cdiv\u003e\u003cp\u003eIn a single-stage filter, air makes one pass through the carbon, and any odor molecules missed on that pass exit untreated. Two-stage filtration routes air through the carbon bed on entry and again on exit, giving odor molecules more contact with the activated carbon. The result is more complete odor removal, especially at higher airflow rates.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eCan I mount this filter outside my grow tent or room?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\u003cdiv\u003e\u003cp\u003eYes, and that's the main advantage of the inline design. Mount the filter in an adjacent space, closet, attic or above the tent, then run ducting from the filter into the grow area. The fan can also sit outside the room, keeping both pieces of equipment out of your growing space.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eDoes the airflow direction affect filtration performance?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\u003cdiv\u003e\u003cp\u003eNo. The two-stage internal design is bidirectional, so filtration is the same whichever end the air enters from. You don't need to check or mark airflow direction before connecting your ducting, which helps when maneuvering a larger filter in tight spaces.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eShould I choose the 8\" × 30\" or the 6\" × 24\" inline filter?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\u003cdiv\u003e\u003cp\u003eThe \u003ca href=\"\/products\/active-air-inline-carbon-filter-6x24\" style=\"color:#2c5530;\"\u003e6\" × 24\" inline model\u003c\/a\u003e is rated at 500 CFM with a 6\" flange, which suits medium grow spaces running 6\" ducting. The 8\" × 30\" model raises that to 750 CFM with an 8\" flange, so it's the better match for larger rooms or systems built around 8\" fans and ducting. Size the filter to your fan and duct diameter for the best results.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eWhat fan should I pair with this filter?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\u003cdiv\u003e\u003cp\u003ePair the Active Air Inline Carbon Filter 8\" × 30\" with an 8\" inline fan rated at or below 750 CFM. A fan that exceeds the filter's rated airflow shortens the time air spends in the carbon bed, which lets odor slip through. A variable-speed fan lets you dial back airflow when odor control matters most.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Active Air","offers":[{"title":"Default Title","offer_id":52641899806936,"sku":"ACCIF308","price":269.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/ActiveAir_Inline_Carbon_Filter_8x30_1.jpg?v=1791390544","url":"https:\/\/trimleaf.com\/products\/active-air-inline-carbon-filter-8x30","provider":"Trimleaf","version":"1.0","type":"link"}