SUPERSUB 500 CAN BE INSTALLED WITH HORIZONTAL OR VERTICAL OUTLET POSITION REMOVABLE STRAINER FOR EASY CLEANING UPGRADEABLE TO 500 THE TO 500 AUTO LOW PROFILE DESIGN FOR NARROW BILGES CAN BE MOUNTED ON HORIZONTAL OR VERTICAL SURFACES CHOICE OF FLOW RATE 25 OR 35LTRS PER MINUTE VERY LOW POWER CONSUMPTION EASY TO CLEAN WITH "TWIST LOCK" ASSEMBLY/DISASSEMBLY STRAINER DESIGNED TO LEAVE MINIMUM WATER LEVEL (10MM)IN BILGE 3/4" (19MM) NON RETURN VALVE FITTED IN LINE STOPS WATER FLOWING BACK INTO BILGE (LV1219) VOLTAGE:12V FUSE:5 AMP AUTOMATIVE WEIGHT:0.23KG HOSE CONNECTION:19MM