13" Centrifugal Wheel Exhaust Blower 1/4-HP

Airmaster Fan Model CDU300B-2 Direct Drive Vertical Discharge Up Blast Exhaust Blower 1/4-HP 1525-RPM 115v 1-PH Open Drip Proof Motor 1183-CFM @0.0" S.P., 1120-CFM @1/8" S.P., 1056-CFM @1/4" S.P. 990-CFM @3/8" S.P., 916-CFM @1/2" S.P., 834-CFM @5/8" S.P. Requires 16" Roof or Wall Opening    

Airmaster Fan Model CBD130FA Belt Drive Down Blast Centrifugal Exhaust Blower 1/2-HP 1531-RPM 115/230v 1-PH Open Drip Proof Motor 2481-CFM @0.0" S.P., 2406-CFM @1/8" S.P., 2332-CFM @1/4" S.P. 2258-CFM @3/8" S.P., 2182-CFM @1/2" S.P., 2031-CFM @3/4" S.P. Maximum Percieved Noise In Sones: 17.1 Requires 16" Roof or Wall Opening Bird Screen & Safety...

Airmaster Fan Model CDU500B-2 Direct Drive Vertical Discharge Exhaust Blower 1/2-HP 1650-RPM 115v 1-PH Open Drip Proof Motor 2181-CFM @0.0" S.P., 2116-CFM @1/8" S.P., 2052-CFM @1/4" S.P. 1987-CFM @3/8" S.P., 1922-CFM @1/2" S.P., 1865-CFM @5/8" S.P. Requires 16" Roof or Wall Opening Emergency Disconnect, Speed Control & Vibration Isolators Included

Airmaster Fan Model ARD140BC Direct Drive Axial Fan With 14" Aluminum Propellers 1/6 HP  1100-RPM 115V 1-PH 1465-CFM @0.0" S.P., 1220-CFM @1/8" S.P. 940-CFM @1/4" S.P., 780-CFM @3/8" S.P. Requires 16" Roof or Wall Opening Emergency Disconnect, Bird Screen & Integral Vibration Isolators Included