Milwaukee 2771-20 - M18™ Transfer PumpFaster water transfers, faster service calls. The M18 transfer pump is the industrys first cordless transfer pump with the fastest setup in the marketplace. With an innovative self priming pump, you can connect and go quicker than ever. The tools flexible impeller and powerful pump moves water at up to 480 gallons per hour, generates up to 18 Ft. of lift and produces up to 75 Ft. of head height. As a part of the M18 system of tools, it is powered by