![Yield Lab 4 inch 190CFM Inline Duct Fan & Carbon Filter Air Circulation Combo w/ Corrosion Resistant Metal and 52mm of Activated Charcoal Yield Lab 4 inch 190CFM Inline Duct Fan & Carbon Filter Air Circulation Combo w/ Corrosion Resistant Metal and 52mm of Activated Charcoal](http://growace.com/cdn/shop/products/4_inch_fan_and_filter.jpg?v=1618999641)
Yield Lab 4 inch 190CFM Inline Duct Fan & Carbon Filter Air Circulation Combo w/ Corrosion Resistant Metal and 52mm of Activated Charcoal
![Mars Hydro 4'' Inline Duct Fan Carbon Filter Combo 4 Inch Ventilation Kits With Thermostat Controller | Wayfair Mars Hydro 4'' Inline Duct Fan Carbon Filter Combo 4 Inch Ventilation Kits With Thermostat Controller | Wayfair](https://assets.wfcdn.com/im/13743081/resize-h755-w755%5Ecompr-r85/2367/236796791/4%27%27+Inline+Duct+Fan+Carbon+Filter+Combo+4+Inch+Ventilation+Kits+With+Thermostat+Controller.jpg)
Mars Hydro 4'' Inline Duct Fan Carbon Filter Combo 4 Inch Ventilation Kits With Thermostat Controller | Wayfair
![Amazon.com: VIVOSUN 8 Inch 740 CFM Inline Fan with Speed Controller, 8 Inch Carbon Filter and 25 Feet of Ducting, Air Filtration Combo for Grow Tent Ventilation : Patio, Lawn & Garden Amazon.com: VIVOSUN 8 Inch 740 CFM Inline Fan with Speed Controller, 8 Inch Carbon Filter and 25 Feet of Ducting, Air Filtration Combo for Grow Tent Ventilation : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/81ZNad2l4jL.jpg)
Amazon.com: VIVOSUN 8 Inch 740 CFM Inline Fan with Speed Controller, 8 Inch Carbon Filter and 25 Feet of Ducting, Air Filtration Combo for Grow Tent Ventilation : Patio, Lawn & Garden
![iPower 4 "195 CFM Inline Fan Carbon Filter 8 Feet Ducting Combo with Variable Speed Controller Rope Hanger - Walmart.com iPower 4 "195 CFM Inline Fan Carbon Filter 8 Feet Ducting Combo with Variable Speed Controller Rope Hanger - Walmart.com](https://i5.walmartimages.com/asr/fcd5bccf-0a02-45ac-8d9a-39555189081e.d8a260f7d244398ad9c9d535557ba32c.jpeg)
iPower 4 "195 CFM Inline Fan Carbon Filter 8 Feet Ducting Combo with Variable Speed Controller Rope Hanger - Walmart.com
![Amazon.com: iPower 500 CFM Inline Fan with Speed Controller Air Carbon Filter Ducting and Temperature Humidity Monitor for Grow Tent Ventilation, 8 Inch, 25 Feet, Black : Everything Else Amazon.com: iPower 500 CFM Inline Fan with Speed Controller Air Carbon Filter Ducting and Temperature Humidity Monitor for Grow Tent Ventilation, 8 Inch, 25 Feet, Black : Everything Else](https://m.media-amazon.com/images/I/71Kyi7MmcwL.jpg)
Amazon.com: iPower 500 CFM Inline Fan with Speed Controller Air Carbon Filter Ducting and Temperature Humidity Monitor for Grow Tent Ventilation, 8 Inch, 25 Feet, Black : Everything Else
![VIVOSUN 6 in. 440 CFM Inline Fan with Speed Controller, 6 in. Carbon Filter and 8 ft. of Ducting X001C0PDKP - The Home Depot VIVOSUN 6 in. 440 CFM Inline Fan with Speed Controller, 6 in. Carbon Filter and 8 ft. of Ducting X001C0PDKP - The Home Depot](https://images.thdstatic.com/productImages/85f85e6c-c428-41a9-840d-6b3389b09cc5/svn/vivosun-grow-room-ventilation-x001c0pdkp-64_600.jpg)
VIVOSUN 6 in. 440 CFM Inline Fan with Speed Controller, 6 in. Carbon Filter and 8 ft. of Ducting X001C0PDKP - The Home Depot
![4/5/6/Inch 190 250 300 CFM Inline Fan Carbon Filter fan Ducting for Grow Tent Ventilation Activated Carbon Air Filter Set Indoor 4/5/6/Inch 190 250 300 CFM Inline Fan Carbon Filter fan Ducting for Grow Tent Ventilation Activated Carbon Air Filter Set Indoor](https://ae01.alicdn.com/kf/Hd2c4331fe1b54499af33c94fb28bd2b0Y/4-5-6-Inch-190-250-300-CFM-Inline-Fan-Carbon-Filter-fan-Ducting-for-Grow.jpg)
4/5/6/Inch 190 250 300 CFM Inline Fan Carbon Filter fan Ducting for Grow Tent Ventilation Activated Carbon Air Filter Set Indoor
![Mars Hydro iFresh 6 Inch Smart Inline Duct Fan and Carbon Filter Combo with Speed Controller - Mars Hydro TH Official Mars Hydro iFresh 6 Inch Smart Inline Duct Fan and Carbon Filter Combo with Speed Controller - Mars Hydro TH Official](https://marshydroth.com/wp-content/uploads/2023/05/4%E5%AF%B8%E8%93%9D%E7%89%99%E9%A3%8E%E6%9C%BA%E5%A5%97%E8%A3%85-600x600.jpg)
Mars Hydro iFresh 6 Inch Smart Inline Duct Fan and Carbon Filter Combo with Speed Controller - Mars Hydro TH Official
![Air Filtration Kit 4”, Inline Fan with Speed Controller, Carbon Filter & Ducting Combo - AC Infinity Air Filtration Kit 4”, Inline Fan with Speed Controller, Carbon Filter & Ducting Combo - AC Infinity](https://cdn11.bigcommerce.com/s-238e9/images/stencil/2048x2048/products/382/7551/StorePhoto6UIS__62127.1659115959.jpg?c=2)
Air Filtration Kit 4”, Inline Fan with Speed Controller, Carbon Filter & Ducting Combo - AC Infinity
![VIVOSUN 4 Inch 190 CFM Inline Fan with Speed Controller, 4 Inch Carbon Filter and 8 Feet of Ducting, Temperature Humidity Monitor for Grow Tent Ventilation VIVOSUN 4 Inch 190 CFM Inline Fan with Speed Controller, 4 Inch Carbon Filter and 8 Feet of Ducting, Temperature Humidity Monitor for Grow Tent Ventilation](https://image.next.vivosun.com/asset/width-750/picture/dbd0944ad2b6685e3e6341b8c54d3a87.jpg)
VIVOSUN 4 Inch 190 CFM Inline Fan with Speed Controller, 4 Inch Carbon Filter and 8 Feet of Ducting, Temperature Humidity Monitor for Grow Tent Ventilation
![Spider Farmer Inline Air Ducting Fan Carbon Filter System with Smart Controller for Indoor | Wayfair Spider Farmer Inline Air Ducting Fan Carbon Filter System with Smart Controller for Indoor | Wayfair](https://assets.wfcdn.com/im/49383690/compr-r85/2151/215163020/inline-air-ducting-fan-carbon-filter-system-with-smart-controller-for-indoor.jpg)
Spider Farmer Inline Air Ducting Fan Carbon Filter System with Smart Controller for Indoor | Wayfair
![iPower 4" 6" 8" 10" 12" Inch Air Carbon Filter Virgin Charcoal for Inline Fan | eBay iPower 4" 6" 8" 10" 12" Inch Air Carbon Filter Virgin Charcoal for Inline Fan | eBay](https://i.ebayimg.com/images/g/nIsAAOSwAeBdpsOR/s-l1200.webp)