Little Giant Pump Company ALG583503 Line 5-MD-SC Magnetic Drive Aquarium Pump, 1050 GPH Aquarium series magnetic drive pumps Designed to handle mildly corrosive chemicals like sea salt and handle circulation or filtration applications The motors are thermally protected and the pumps are UL listed and CSA certified It has 1050 GPH capacity at 1-feet head Comes in 1-inch female NPT inlet and 1/2-inch male NPT outlet