8 Inch Inline Duct Fan with Variable Speed Controller 110V-220V

【Powerful and Silent Powerful and Silent Inline Exhaust Fan】The 8 inch exhaust fan mixed flow design combined with Variable Speed Control (0-10V voltage adjustment/PWM signal transmission); Intelligent Protection, equipped with overcurrent, overvoltage, overheating, and overload protection, with anti-vibration and anti-interference features; Fluid Dynamics Design, surpassing traditional AC fan limitations, enlarging the air output area, high rotation speed, and high air pressure; Unique Snap-Fit Design, convenient for disassembly and assembly, ensuring a tight and secure seal. The energy efficiency of the EC motor can save up to 50% of energy costs. Can precisely optimize the fan's speed and low energy. 【High Quality Material】Duct booster fan UV and corrosion resistant, durable plastic housing Ideal for long duct runs, suitable for air temperatures from -4℉ to 140℉.The junction box is bulit in sealing ring,protcetion class is IP44. 【Application Scenarios】8 inch inline duct fan desi