4-inch Inline Duct Fan 4-inch 160 CFM with Temperature Humidity Controller Quiet EC-motor Ventilation Exhaust Fan for Cooling Booster Grow Tents Hydroponics

Sturdy Material The casing and fan blades are made of high-quality ABS plastic which is sturdy and durable and has a long service life. Copper Bearing Motor This bearing motor is made of pure copper which can keep a long life. The design of the bearing motor allows the exhaust fan to ventilate more efficiently and is more energy-efficient. PRODUCT SPECIFICATIONS Model: EF4-4IN Voltage: 120V/60Hz Air Flow: 160 CFM(310 m3/h) Noise: 31 dB Diameter: 4 inch Power: 23W Speed: 2661 RPM Waterproof Level: lP44