The perfect disposer for the lavatory unit in boats and recreational vehicles- it takes care of toilet waste. A rotary cutter shreds waste before it is pumped out through the discharge hose. The pump can be connected directly to the bowl discharge outlet or holding tank. Connection: Inlet: 1-1/2″ hose, 1-1/2″ BSP thread, 1-1/2″- 11-1/2″ NPTF, Outlet: 1″ hose