"The 800 GPH Marine Bilge Pump is built to withstand the harsh conditions found in the marine environment. This non-automatic pump comes complete with stainless steel shaft, high flow impeller and marine grade tinned wire. Designed to be used with 3/4" ID bilge hose, the highly efficient motor pumps up to 800GPH and includes a quick disconnect dual mounting base for easy cleaning and inspection. For 3/4" bilge hose Submersible Ignition Protected Tinned Wires 12 volt / 5 amp "