![VIVOSUN 6 Inch Air Carbon Filter Smelliness Control with Australia Virgin Charcoal for Inline Duct Fan, Grow Tent, Pre-Filter Included, Reversible Flange 6"x 18" - Walmart.com VIVOSUN 6 Inch Air Carbon Filter Smelliness Control with Australia Virgin Charcoal for Inline Duct Fan, Grow Tent, Pre-Filter Included, Reversible Flange 6"x 18" - Walmart.com](https://i5.walmartimages.com/asr/ce8c59ff-c3f7-43d0-9cdb-6b83c8e3decb.5e27d180106864d409c512ee9f0e485f.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
VIVOSUN 6 Inch Air Carbon Filter Smelliness Control with Australia Virgin Charcoal for Inline Duct Fan, Grow Tent, Pre-Filter Included, Reversible Flange 6"x 18" - Walmart.com
![iPower 4 inch Air Carbon Filter Odor Control with Premium Charcoal and Reversible Flange for Inline Duct Fan/Grow Tent, Black - Walmart.com iPower 4 inch Air Carbon Filter Odor Control with Premium Charcoal and Reversible Flange for Inline Duct Fan/Grow Tent, Black - Walmart.com](https://i5.walmartimages.com/asr/c4727ce0-354c-4190-b2f8-4adfce994b7b.b9324d28b3586204498ecce21b272b1f.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
iPower 4 inch Air Carbon Filter Odor Control with Premium Charcoal and Reversible Flange for Inline Duct Fan/Grow Tent, Black - Walmart.com
![Amazon.com: iPower GLFANXINL4FILT4MD8CTR 4 Inch 190 CFM Inline Fan Carbon Filter 8 Feet Ducting Combo with Variable Speed Controller and Rope Hanger for Grow Tent Ventilation, 4" Fan & Filter, Grey : Amazon.com: iPower GLFANXINL4FILT4MD8CTR 4 Inch 190 CFM Inline Fan Carbon Filter 8 Feet Ducting Combo with Variable Speed Controller and Rope Hanger for Grow Tent Ventilation, 4" Fan & Filter, Grey :](https://m.media-amazon.com/images/I/81q5rk1lspL._AC_UF894,1000_QL80_.jpg)