Ridgid 47343 RS50 1/2 HP Sump Pump Energy efficient, oil-filled 1/2 HP motor Top suction intake filters debris, preventing airlocks for increased reliability 1/2-inch solid-handling capacity, thermally protected sump pump 360-degree stainless steel float guard, for superior switch protection from debris 1-1/2-inch discharge for easy installation and compliance to building codes