* Efficient but quiet: Lead to great effects with a diameter of 6 inches, speed of 2950 RPM and 240 CFM air flow. A less than 48 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: 37W; Power Cord: 5.5FT. Max operating temp of motor is 130°C / 266°F; Max ambient temp is 60°C / 140°F. Note: Please turn the fan off immediately if the blades get stuck by other objects and turn on after clean.