Waste Water Shower Drain Pump System Model 650GPH 12V Drain Multi-Port Box

Designed to pump shower/ sink water over board or into holding tank. 1 Piece 12V Shower Sump Pump System. Multiple Inlet Port Sizes: 3/4", 1", 1-1/8", 1-1/2". Current draw: Only 2.5 Amp. Hose Outlet: 3/4" (19mm).

eBay