iPower Inline Duct Booster Fan 8" 430 CFM with Speed Controller, Low-Noise Ventilation Exhaust Fan for Kitchen, Basements, Bathrooms, Attics and Grow Tents, Black

Adjustable Speed : Greenhouse exhaust fan 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
Safe and Durable: 8 inch duct fan booster 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
Low Noise: Exhaust fan for bathroom ceiling reduces the sound output to only 43 dB-no harm or disturb for your life. Superior balanced blades and centrifugal impeller for quiet operation and long service life
Efficient: Inline bathroom exhaust fan with a diameter of 8 inches, speed of 3000 RPM and 430 CFM airflow, this air exhaust fan is lightweight enough for quich removal and easy installation in areas with little available space
Wide Applications: 8 round 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