1pack Dayton 484X42 Shutter Mount Exhaust Fan 20 1 Speed 3950 cfm 115V

1pack Dayton 484X42 Shutter Mount Exhaust Fan 20 1 Speed 3950 cfm 115V Shutter Mount Exhaust Fan Blade Dia. 20 in Number of Speeds 1 Fan Voltage 115V AC CFM @ 0.000-In. SP 3950 Exhaust/Supply Fan Motor HP 1/4 hp Square Opening Required 21 in CFM @ 0.125-In. SP 2445 CFM @ 0.250-In. SP 1735 Sones @ 0.000-In. SP @ 5 Ft. 7.01 Motor RPM 1725 Hz 60 Phase 1 Full Load Amps 2.75 Max. Ambient Temp. 104 Degrees F Motor Type PSC Motor Enclosure Totally Enclosed Air-Over Motor Insulation Class B Bearing Type Ball Height 23 1/8 in Width 23 1/8 in