Johnson Pump Shower Sump Multiports - 1000 GPH Johnson Pump offers a compact shower pump that offers multiple tapping points and can meet the higher demands from boats. The tight fitting lid minimizes odors and splashing. Can handle waste water from more than one tapping point. Features multiple inlet ports. Product Features Check valve on outlet Multiple inlet ports Discharge hose 34 Intake Hoses 1x 34 , 1 x 34 or 1 12 , 1 x 1-18 or 1 x 1-12 Handles waste water Offers more than one tapping poin