4 Inch 200 CFM Inline Fan with Speed Controller, 4 Inch
4 Inch 200 CFM Inline Fan with Speed Controller, 4 Inch Carbon Filter and 8ft Ducting, Temperature Humidity Monitor, Rubber Coupler, Soffit Vent, Ideal for Grow Tents, Hydroponics (4 Inch) All-In-One Air Filtration Kit: An air filtration kit with everything you need to cool, ventilate, and control odors in your grow space.It is primarily used in various air circulation and ventilation projects to move and transport air. Powerful Inline Fan: Made of galvanized steel, the 4-inch inline fan runs at a speed of 2550 RPM and produces an air flow of 200 CFM, with a noise level of just 30dB...