30" Propeller 36"sq 115v 1/2-hp 2-speed exhaust fan

Airmaster Fan Model LPSF16 Formally Model EPRSM16 115V 1-PH 1/20-HP Totally Enclosed Motor 1216-CFM @0.0" S.P., 765-CFM @1/8" S.P. Percieved Pressure Sound 8/Sones @5' Panel Size (Square) - 19-1/8 Inch Wall Opening (Square) - 17 Inch 

Airmaster Fan Model 18EPR16 115V 1-PH 1/9-HP 1050-RPM Totally Enclosed Motor 2504-CFM @0" S.P., 2345-CFM @0.05" S.P., 2149-CFM @0.10" S.P. 2035-CFM @0.125" S.P., 1553-CFM @0.20" S.P., 884-CFM @0.25" S.P. Percieved Preasure Sound 9.5/Sones @5' Can Be Shipped UPS Ground

Airmaster Fan Model H48V836-3 3-HP 230/460v 3-PH 850-RPM Totally Enclosed Motor 27420-CFM @0" S.P., 25800-CFM @1/8" S.P, 24350-CFM @1/4" S.P. 22600-CFM @3/8" S.P. Percieved Pressure Sound 40.7/Sones @5'

Airmaster Fan Model H24V836-1 1-HP 115/230v 1-PH 1750-RPM Totally Enclosed Motor 6860-CFM @0" S.P., 6560-CFM @1/8" S.P, 6240-CFM @1/4" S.P. 5900-CFM @3/8" S.P., 5426-CFM @1/2" S.P. Percieved Pressure Sound 35.4/Sones @5' Can Be Shipped UPS Ground