{"product_id":"4-inch-prefilter-for-4-carbon-filter-black-2-pack-mp6kdwot-28029","title":"Vivosun 4 Inch Prefilter for 4\" Carbon Filter, Black, 2 Pack","description":"\u003ch5\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/h5\u003e \n\u003cp\u003e\u003cstrong\u003eThe VIVOSUN 4 Inch Prefilter for 4\" Carbon Filter\u003c\/strong\u003e is a replacement filter sleeve designed to help growers protect carbon filters from dust, debris, and larger airborne particles inside grow tents and hydroponic setups. With its 4-inch compatibility and black fabric design, it supports cleaner and more consistent airflow through compact ventilation systems.\u003c\/p\u003e \n\u003cp\u003eBuilt for carbon filter maintenance, the prefilter adds an outer protective layer that helps reduce buildup on the main filter surface. This helps keep the ventilation system cleaner while supporting better airflow and more reliable odor-control performance during regular indoor growing.\u003c\/p\u003e \n\u003cp\u003eDesigned for indoor cultivation and grow tent air management, this 2-pack provides a simple replacement solution for ongoing ventilation maintenance. Its soft sleeve design, easy installation, and carbon filter compatibility make it useful for growers who want cleaner airflow, longer filter support, and 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\u003e4 Inch Prefilter\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\u003eFilter Size\u003c\/td\u003e \n        \u003ctd\u003eFits 4-inch filters\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eColor\u003c\/td\u003e \n        \u003ctd\u003eBlack fabric sleeve\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003ePack Size\u003c\/td\u003e \n        \u003ctd\u003eTwo-pack prefilters\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eCompatibility\u003c\/td\u003e \n        \u003ctd\u003e4-inch carbon filters\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eMaterial\u003c\/td\u003e \n        \u003ctd\u003eSoft filter fabric\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eDesign\u003c\/td\u003e \n        \u003ctd\u003eOuter protective cover\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eInstallation\u003c\/td\u003e \n        \u003ctd\u003eSlides over filter\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eProtection\u003c\/td\u003e \n        \u003ctd\u003eBlocks dust debris\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eFunction\u003c\/td\u003e \n        \u003ctd\u003eCarbon filter protection\u003c\/td\u003e \n      \u003c\/tr\u003e\n      \u003ctr\u003e \n        \u003ctd\u003eUse Case\u003c\/td\u003e \n        \u003ctd\u003eGrow tent ventilation\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":52213445329179,"sku":"WEB-CFPB-4x2","price":9.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/0151\/0171\/files\/vivosun-4-inch-prefilter-for-4-carbon-filter-black-2-pack-1015991.jpg?v=1779850928","url":"https:\/\/greenthumbdepot.com\/products\/4-inch-prefilter-for-4-carbon-filter-black-2-pack-mp6kdwot-28029","provider":"Green Thumb Depot","version":"1.0","type":"link"}