Johnson Pump 3" Bilge Blower Flange Mounted. Radial flow design produces substantial output at relatively low RPMs keeping noise levels so low that these blowers are also an excellent choice for use as exhaust fans in heads and galleys as well as engine compartments. 112 CFM 3" ducts Stainless steel shaft and hardware 5.0 AMP draw. Ignition protected 12 volt Saltwater tough 100percent factory tested. Meets and exceeds NMMA ABYC ISO 8846 CE and USGC specifications. Three year warranty. Features of Johnson Pump 54124 3" Bilge Blower Flange Mounted 100percent factory tested Meets and exceeds NMMA ABYC ISO 8846 CE and USGC specifications Three year warranty 112 cubic feet per minute blowing power Package Contents: Johnson Pump 54124 3" Bilge Blower Flange Mounted Johnson Pump 54124: 3" Bilge Blower Flange Mounted