iPower 6 Inch 240 CFM Booster Fan Inline Duct Vent Blower with Variable Speed Controller Adjuster

Specification: Diameter: 6inch; Air flow: 240 CFM; Speed: 2950 RPM; Voltage: 110/120V; Wattage: 37W; Noise level: 48 db. Max operating temp of motor is 130? / 266?; Max Ambient Temp is 60? / 140?
Application: Help boost airflow in HVAC (heating, ventilation, air conditioning) units to remove exhausts and odors from grow rooms, kitchens, bathrooms, workshops, basements, attics etc
Controllable: Variable fan speed controller will correctly and precisely adjust the speed of your duct and inline fans
Low noise: Superior balanced blades for long service life & quiet operation; Motor features a permanently lubricated bearing that operates quietly
Package: Include 6inch booster fan and variable fan speed controller. Note: if any other materials/particles get into the fan and get the blade stuck, users are to turn off the power immediately, clean it up, turn the power back on when handled properly