{"product_id":"melonfarm-4-air-filtration-kit-190-cfm-inline-duct-fan-12-high-carbon-filter-speed-controller","title":"MELONFARM 4\" Air Filtration Kit — 190 CFM Inline Duct Fan, 12\" High-Carbon Filter \u0026 Speed Controller","description":"\u003cp\u003e\u003cstrong\u003eMELONFARM's 4-inch air filtration kit pairs a 190 CFM inline duct fan with a 12-inch activated carbon filter, speed controller, and ducting to control odors and move air in small grow tents and hydroponic spaces.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact kit brings ventilation and filtration together into a single package for indoor growers and hobbyists who need reliable airflow and effective odor reduction. The system includes a high-performance inline fan, a thick RC 412 virgin charcoal filter, an 8-foot flexible duct, a rubber coupler, and a variable-speed controller so you can tune airflow to your environment. Built components and a hexagonal steel mesh design focus on durability while maximizing open area for efficient filtration without choking the fan.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit remove odors in a grow tent?\u003c\/h3\u003e\n\u003cp\u003eThe kit's filter contains high-grade RC 412 virgin activated charcoal with a high IAV rating for stronger adsorption of volatile compounds. The large carbon bed and dense packing increase contact time between air and carbon, improving odor capture for exhaust or intake applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12-inch carbon cylinder filled with premium Australian charcoal\u003c\/li\u003e\n  \u003cli\u003eHigh IAV rating for increased absorption of VOCs and smells\u003c\/li\u003e\n  \u003cli\u003eRemovable pre-filter cloth catches dust and particulates before carbon\u003c\/li\u003e\n  \u003cli\u003eSealed flange design reduces carbon leakage and bypass\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the fan move enough air for my small grow space?\u003c\/h3\u003e\n\u003cp\u003eThe included 4\" inline axial-style fan produces up to 190 CFM at 2,300 RPM, suitable for most compact tents, cabinets, and utility rooms. Use the speed controller to dial back noise or increase ventilation when lights are on and temperatures rise.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e190 CFM peak airflow to exchange air rapidly in small enclosures\u003c\/li\u003e\n  \u003cli\u003eVariable speed controller for quiet operation and humidity control\u003c\/li\u003e\n  \u003cli\u003eDeflector design reduces turbulent flow for steadier performance\u003c\/li\u003e\n  \u003cli\u003eCompatible with 4-inch ducting and standard fittings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and easy to install is the system?\u003c\/h3\u003e\n\u003cp\u003eComponents are made for repeated setup and long-term use: a heavy-duty flange and reinforced base keep the carbon bed secure, while double-sided galvanized hex mesh increases strength without blocking air. The kit fits common 4\" duct sizes and includes a rubber coupler for airtight joins.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSturdy flange and base to prevent carbon migration and wear\u003c\/li\u003e\n  \u003cli\u003eHexagonal galvanized steel mesh for structural support and airflow\u003c\/li\u003e\n  \u003cli\u003e8-foot flexible ducting and rubber coupler for simple connections\u003c\/li\u003e\n  \u003cli\u003eRemovable pre-filter for easy maintenance and extended filter life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance does the filter and fan require?\u003c\/h3\u003e\n\u003cp\u003eKeep the pre-filter clean and replace the carbon when odor control drops. Periodically check the fan for dust buildup, and run the speed controller at lower settings to reduce wear when full flow isn't necessary.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWash or replace the pre-filter cloth every few weeks depending on dust\u003c\/li\u003e\n  \u003cli\u003eReplace activated carbon when odors become noticeable\u003c\/li\u003e\n  \u003cli\u003eVacuum fan housing occasionally to remove dust and prolong motor life\u003c\/li\u003e\n  \u003cli\u003eInspect couplings and seals to maintain airtight performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: MELONFARM's 4\" 190 CFM Air Filtration Kit is designed for hobby and small-scale indoor gardeners, hydroponic setups, and anyone needing compact, effective ventilation with odor control. It's well-suited to growers in apartments, RVs, closets, or small grow tents who want adjustable airflow, straightforward installation, and a durable carbon filter solution without upgrading to larger commercial systems.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the fan run continuously?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the included inline fan is designed for continuous use but monitor temperature and dust; periodic cleaning extends life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this kit suitable as intake and exhaust?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The carbon filter performs well mounted as either intake or exhaust for odor control in small spaces.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MELONFARM","offers":[{"title":"Default Title","offer_id":56840431567188,"sku":"B0F8TZWTKR","price":140.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/melonfarm-front-view-kit_a3576018-c054-4e59-a0ac-d598d46831d9.jpg?v=1787071266","url":"https:\/\/gardenluxe.co.uk\/products\/melonfarm-4-air-filtration-kit-190-cfm-inline-duct-fan-12-high-carbon-filter-speed-controller","provider":"Gardenluxe Uk","version":"1.0","type":"link"}