Johnson Ultima MultiPort Shower Pump 750gph #18957151Compact shower sump offers multiple inlet ports to handle sink, shower and condensation drains all at the same time. For use with fresh water system onboard and involves showers, dishwashing machines, galley sinks, etc. The shower sump turns on/off automatically using our Ultima switch technology and has multiple inlet ports for handling waste water from more than one tapping point. The check valve on the outlet stops water from flowing back into the tank. The tank has a tightfitting lid to minimize splashing and odors. To further aid in cleaning, the system includes an easily removable mesh filter.Easy to clean. Inlet screen traps hair and debris before clogging pump and the tight fitting, seethrough lid