12" Propeller Exhaust Wall Shutter Fan

Airmaster Fan Model LPSF20 Formally Model EPRSM20 115V 1-PH 1/15-HP Totally Enclosed Motor 2235-CFM @0.0" S.P., 920-CFM @1/8" S.P. Percieved Pressure Sound 9/Sones @5' Panel Size (Square) - 23-1/8 Inch Wall Opening (Square) - 20-1/2 Inch 

Airmaster Fan Model PD24T-E3A EDP# 24211 115V 1-PH 1/2-HP 870-RPM 2-Speed Ball Bearing Motor 4860-CFM @0.0" S.P., 4360-CFM @1/10" S.P., 4270-CFM @1/8" S.P., 2800-CFM @1/4" S.P. Percieved Preasure Sound 11.6/Sones @5' Panel Size (Square) - 30 Inch Wall Opening 24-1/2" Depth 15-1/2" Weight 56/lbs 3D picture

Airmaster Fan Model H18V76-1 1/2-HP 125/230v 1-PH 1750-RPM Totally Enclosed Motor 3900-CFM @0" S.P., 3780-CFM @1/8" S.P, 3575-CFM @1/4" S.P. 3280-CFM @3/8" S.P., 2880-CFM @1/2" S.P. Percieved Pressure Sound 23/Sones @5' Can Be Shipped UPS Ground

Airmaster Fan Model H42V836-3 1-1/2-HP 230/460v 3-PH 1150-RPM Totally Enclosed Motor 15789-CFM @0" S.P., 15044-CFM @1/8" S.P, 14059-CFM @1/4" S.P. 13020-CFM @3/8" S.P., 11690-CFM @1/2" S.P. Percieved Pressure Sound 51.8/Sones @5'