iPower 4 Inch 100 CFM Inline Duct Fan with Low Noise, Exhaust Booster for HVAC Ventilation in Grow Tent, Basements, Bathrooms and Kitchens, Grey

Efficient but quiet: Lead to great effects with a diameter of 4 inches, speed of 2930 RPM and 100 CFM air flow. A less than 40 dB noise level does not have any harm and will not disturb your work.,Easy to install: Portable, lightweight and easy to install in areas with little available space. Sufficient 5.5' grounded power cord inside is convenient to use.,Durable: Superior balanced centrifugal impeller and high strength housing for long service life. The motor features a permanently lubricated bearing that operates quietly and requires no maintenance.,Wide application: Exhaust air for HVAC to remove heats & odors or intake fresh air, used in grow tents, kitchens, bathrooms, basements, attics, garage, workshops etc.,Specification: Voltage: 110/120V; Wattage: 12W; Power Cord: 5.5FT. Max operating temp of motor is 130℃ / 266℉; Max ambient temp is 60℃ / 140℉. Note: Please turn the fan off immediately if the blades get stuck by other objects and turn on after clean.