{"product_id":"air-filtration-kit-r4-4-inline-fan-r4-with-variable-speed-co-mp6kfymw-77ixe","title":"Vivosun Air Filtration Kit R4 4\", Inline Fan R4 with Variable Speed Controller, Carbon Filter \u0026 Ducting Combo","description":"\u003ch5\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/h5\u003e \n\u003cp\u003e\u003cstrong\u003eThe VIVOSUN Air Filtration Kit R4 4\"\u003c\/strong\u003e is a complete ventilation combo designed to help growers manage airflow, odor, heat, and humidity inside smaller grow tents and indoor garden spaces. With the Inline Fan R4, carbon filter, ducting, and variable speed controller included, it supports cleaner air exchange for a more balanced growing environment.\u003c\/p\u003e \n\u003cp\u003eBuilt with adjustable speed control, the R4 inline fan allows growers to manage airflow based on tent size, plant stage, and ventilation needs. The carbon filter helps reduce unwanted odors, while the ducting helps guide stale air out of the grow area more efficiently.\u003c\/p\u003e \n\u003cp\u003eDesigned for indoor cultivation and hydroponic ventilation, this 4-inch filtration kit provides a practical all-in-one setup for compact grow tent air management. Its fan, filter, controller, and ducting combination makes it useful for maintaining fresher airflow, improving climate balance, and supporting healthier plant development.\u003c\/p\u003e \n\u003ch5\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h5\u003e \n\u003cdiv class=\"spec-table-wrapper\"\u003e \n  \u003ctable class=\"spec-table\"\u003e \n    \u003ctbody\u003e \n      \u003ctr\u003e \n        \u003ctd\u003eProduct\u003c\/td\u003e \n        \u003ctd\u003e306201PS-4\u003c\/td\u003e \n      \u003c\/tr\u003e \n      \u003ctr\u003e \n        \u003ctd\u003eBrand\u003c\/td\u003e \n        \u003ctd\u003eVIVOSUN\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eMaterial\u003c\/td\u003e \n        \u003ctd\u003ePP\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eInline Fan Size\u003c\/td\u003e \n        \u003ctd\u003e11.6 x 8 x 6.7 in\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eFan Duct Size\u003c\/td\u003e \n        \u003ctd\u003e4\"\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003ePower Cord Length\u003c\/td\u003e \n        \u003ctd\u003e1.6m\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eController Type\u003c\/td\u003e \n        \u003ctd\u003eVariable Speed Controller\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eMaximum Airflow\u003c\/td\u003e \n        \u003ctd\u003e190 CFM\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eFan Speed\u003c\/td\u003e \n        \u003ctd\u003e2300 RPM\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eNoise Level\u003c\/td\u003e \n        \u003ctd\u003e39 dBA\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eInput Voltage\u003c\/td\u003e \n        \u003ctd\u003e110-120V\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eWattage\u003c\/td\u003e \n        \u003ctd\u003e60W\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eFrequency\u003c\/td\u003e \n        \u003ctd\u003e60Hz\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eCarbon Filter Size\u003c\/td\u003e \n        \u003ctd\u003e11.8 x 6.9 x 6.9 in\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eDuct Opening Sizes\u003c\/td\u003e \n        \u003ctd\u003e4\"\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eCarbon Filter Grade\u003c\/td\u003e \n        \u003ctd\u003e1200+ IAV\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eCarbon Filter Material\u003c\/td\u003e \n        \u003ctd\u003eAluminum\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eDucting Size\u003c\/td\u003e \n        \u003ctd\u003e4\"\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eDucting Length\u003c\/td\u003e \n        \u003ctd\u003e8ft (2.44m)\u003c\/td\u003e \n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e \n  \u003c\/table\u003e \n\u003c\/div\u003e","brand":"VIVOSUN","offers":[{"title":"Default Title","offer_id":52213446148379,"sku":null,"price":87.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/0151\/0171\/files\/vivosun-air-filtration-kit-r4-4-inline-fan-r4-with-variable-speed-controller-carbon-filter-ducting-combo-7281070.png?v=1779850927","url":"https:\/\/greenthumbdepot.com\/products\/air-filtration-kit-r4-4-inline-fan-r4-with-variable-speed-co-mp6kfymw-77ixe","provider":"Green Thumb Depot","version":"1.0","type":"link"}