16" Propeller Exhaust Wall Fan, Low Pressure

Airmaster Fan Model LPSF18 Formally Model EPRSM18 115V 1-PH 1/15-HP Totally Enclosed Motor 1877-CFM @0.0" S.P., 752-CFM @1/8" S.P. Percieved Pressure Sound 8.4/Sones @5' Panel Size (Square) - 21-1/8 Inch Wall Opening (Square) - 18-1/2 Inch 

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 PD30T-G3A EDP# 24221 115V 1-PH 1/2-HP 845-RPM 2-Speed Ball Bearing Motor 7380-CFM @0.0" S.P., 6850-CFM @1/10" S.P., 6750-CFM @1/8" S.P., 5500-CFM @1/4" S.P. Percieved Preasure Sound 16.7/Sones @5' Wall Opening 30-1/2" Depth 17-1/8" Weight 75/lbs 3D picture