FETCOI Grow Tent Fan 8 Inch Inline Fan Industrial Grade Duct Exhaust Fan Combinable with HEPA Filter & Carbon Filter Powerful Booster Fanwith Speed Controller

And it comes with a mounting bracket that you can attach with a cord for easy installation.. So you can use it easily without a complicated operation process. EASY TO USE: After plugging in the power and turning on the switch, the inline duct fan will start working. So you can use it with peace of mind. GOOD PROTECTIVE PERFORMANCE: With the IP44 protection grade, this duct fan can effectively prevent splashing liquid and solid particles with a diameter greater than 1mm from entering the machine. SPEED CONTROLLER: The external speed controller allows you to control the speed of the fan freely and meet your different needs. Optimizing ventilation by targeting airflow to your plants.  OPERATES SMOOTHLY WITH MINIMAL NOISE: This powerful fan generates a low noise output of 50 dB; Whether it’s indoors or outdoors, this quiet fan runs smoothly and won’t disturb you with a consistently loud whirring noise. Optimizing ventilation by targeting airflow to your plants; 8 INCH INLINE DUCT FAN: Air flow: 677 CFM; speed: 2450 RPM; wattage: 205W; voltage:110V. Optimizing ventilation by targeting airflow to your plants; 6 INCH INLINE DUCT FAN: Air flow: 410 CFM; speed: 2500 RPM; wattage: 135W; voltage:110V. 4 INCH INLINE DUCT FAN: Air flow: 188 CFM; speed: 2500 RPM; wattage: 70W; voltage:110V