Pumps 4.5 GPM. Self-priming allows the pump to be mounted above the bilge or sump areas with only the intake hose in the bilge. Diaphragm design allows the pump to run dry for extended periods without damage and has low amp draw. Tough plastic body has ports for 3/4" ID hose. Supplied with Pumpgard in-line strainer. Listed as NMMA accepted. 12 VDC, 7.5 amps. Dimensions: 6: high x 4-1/8" wide x 7-5/8" long. Requires 7.5 amp fuse.