XtremepowerUS 6" Inline Duct Fan 440 CFM Air flow: 440cfm Speed: 2550rpm Frequency: 60Hz watt:125w Quiet fan with decibel Rating at 52 dB It is an energy efficient way help circulate heated or cooled air around a room This duct booster fan is designed to be installed in almost any position in your home or office duct work Net weight: 11lbs