STRAINER STOPS DEBRIS ENTERING SUCTION HOSE FITTED NON RETURN VALVE PREVENTS DRAINBACK REMOVABLE STRAINING PLATE FOR EASY CLEANING TOP ENTRY FOR DEEPER BILGES SUITABLE FOR 1" (25MM) AND 1 1/2" (38MM) HOSE S/S FITTED AT END OF SUCTION HOSE DEEP IN BILGES (ALLOWING MAXIMUM AMOUNT OF WATER TO BE PUMPED FROM BILGES)