800 GPH Shower Sump MK2 System - 12VAttwood&';s shower sump systems deliver the performance you&';ve been asking for. Choose from standard or large box sizes. They offer fast water flow into and out of the sump. The lid snaps into place to allow quick installation (and removal for cleaning) and includes a gasket to seal the sump box against overflow. The sump box even includes an air vent to prevent airlocks. It meets or exceeds all applicable standards of the ABYC and USCG.Specifications: 800 GPH Amp Draw: 2.5 Rated Voltage: 12V Fuse Size: 5A Outlet Hose Size: 3/4" I.D. Wire/Connector: 22" wire