Bilge Blower Quality squirrel cage type blowers offer many advantages over lighter inline tunnel type blowers. 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. Features 112 CFM and 3 inch ducts. Stainless steel shaft and hardware 5.0 ampere draw, Ignition protected, 12 volt Saltwater tough and100 percent factory tested Meets and exceeds NMMA, ABYC, ISO 8846, CE, and USGC specifications.