Lighthouse Hydro 190 CFM Hydroponics Inline Duct Fan Exhaust Blower Vent, 4-Inch Flange Size: 4", Dimensions: 11.25"(L) x 9.5"(W) x 8.25"(H), Weight: 7 lbs., Compatible with 4" Carbon Filter Voltage: 110V/60Hz, Power: 65W, Current: 0.62A, 190 CFM (Cubic Feet per Minute), Speed: 2565 RPM Powerful and Efficient, Vibration free operation, Sound dampening cover, Solid construction Black Powder coated solid steel case, Permanently lubricated bearings, Premium quality molded impeller Thermally protected motor, Pre-Wired grounded 6' power cord, Easy installation, Mounting bracket included