20" Propeller Exhaust Wall Shutter Fan

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 H30V76-1 1-HP 115/230v 1-PH 1150-RPM Totally Enclosed Motor 9470-CFM @0" S.P., 8750-CFM @1/8" S.P, 8030-CFM @1/4" S.P. 7100-CFM @3/8" S.P., 5900-CFM @1/2" S.P. Percieved Pressure Sound 29/Sones @5' Can Be Shipped UPS Ground

Airmaster Fan Model EPRSM30 115V 1-PH 1/4-HP Totally Enclosed Motor 4970-CFM @0.0" S.P., 3510-CFM @1/8" S.P. Percieved Pressure Sound 12/Sones @5' Panel Size (Square) - 33-1/8 Inch Wall Opening (Square) - 30-1/2 Inch 

Airmaster Fan Model 10EPR16 115V 1-PH 1/60-HP 1550-RPM Totally Enclosed Motor 630-CFM @0" S.P., 469-CFM @0.05" S.P., 418-CFM @0.10" S.P. 394-CFM @0.125" S.P., 309-CFM @0.20" S.P., 234-CFM @0.25" S.P. Percieved Pressure Sound 5.6/Sones @5' Can Be Shipped UPS Ground