18" Propeller 24"sq 115v 1/16-hp 2-speed exhaust fan

Airmaster Fan Model H36V836-3 1-1/2-HP 230/460v 3-PH 1150-RPM Totally Enclosed Motor 13300-CFM @0" S.P., 12400-CFM @1/8" S.P, 11600-CFM @1/4" S.P. 10600-CFM @3/8" S.P. Percieved Pressure Sound 37.1/Sones @5'

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'

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 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