InfiniPower Inline Duct Booster Fan 4" 106 CFM with Speed Controller, Low-Noise Ventilation Exhaust Fan for Kitchen, Basements, Bathrooms, Attics and Grow Tents, Black

Safe and Durable: Inline duct fan 4 inch has overheating protection, and if overheating is detected, the unit will automatically shut down. The quality steel housing and strong motor makes it sturdy and built to last quality steel.

Adjustable Speed : Exhaust fan for bathroom ceiling with a variable speed controller on the power line, you can optimize airflow and noise levels to suit the desired application. Turn the knob to control the exhaust fan at different speeds.

Efficient: Basement ventilation fan with a diameter of 4 inches, speed of 2990 RPM and 106 CFM airflow, this duct booster fan is lightweight enough for quich removal and easy installation in areas with little available space.

Low Noise: Black bathroom exhaust fan Reduces the sound output to only 28 dB-no harm or disturb for your life. Superior balanced blades and centrifugal impeller for quiet operation and long service life.

Wide Applications: Inline exhaust fan designed to boost airflow in HVAC systems, ventilate home spaces and use in grow tents as intake fans or exhaust fan. It can be used in bathrooms, kitchens, workshops, basements, attics and etc.