Dayton 484X44 Shutter Mount Exhaust Fan Blade 20×22 Dia.

SP 3334 CFM @ 0.250-In. SP 2924 Sones @ 0.000-In. SP @ 5 Ft. 8.1 Motor RPM 1725 Hz 60 Phase 1 Full Load Amps 3.3 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