These submergible pumps discharge out of the top, which allows continuous operation at low water levels and extended dry-runs with out overheating the motor. All pumps feature quick connect fittings and all are powered by 110v AC. The 1 HP Deluxe Pump moves 96 gpm, has a maximum operating depth of 39..5', and will pump out down to 2" deep. The Low Water Pump has nearly the same specifications as the Standard Pump, but will pump out water down to 3/16" deep. The 1/2 HP Sludge Pump is designed to pump standing water that contains sand, solids, leaves or debris. It is submersible to 39', can pump up to 50 gpm, and will out down to 3 1/2" deep. Pumps and hoses are sold individually.