1 hp, cast iron/stainless steel, submersible sump pump, with vertical switch, designed for 11" diameter or larger sump basin, pumps up to 4600 gph @ 0', durable cast iron volute, reliable, reinforced poly carbonate impeller, corrosion resistant stainless steel motor housing & fasteners, top suction design filters debris & minimizes clogging, oil filled, thermally protected motor prevents overheating, designed for easy installation without any plumbing changes, epoxy coated steel, high performance 3/4 hp, motor, 1-1/2" npt discharge & durable cast iron base, easy carry handle for portability, float guard protects switch from hang ups, 5 year warranty.