Johnson Pump 80-47417-01 12V AirV 4-550 Flange Mount Extra Heavy Duty Radial Blower 

Extra heavy duty marine radial blower is designed for engine compartment ventilation prior to startup. Made for continuous duty and is therefore suitable for air intake or extraction in bilges, galleys, accommodation and other compartments. Flange Mount design with double ball bearing motor, high-impact anti-shock ABS body with stainless steel shaft and screws.

Mount: Flange, Hose: 4", CFM: 324, Volts: 12, Amps: 12.5, Size: 11.5"H x 10"W x 6"L