The Shurflo Piranha 1100gph pump housings are constructed of high density nylon and come complete with a heavy duty water cooled motor making it the toughest solution for most ballast applications. Patented ant-airlock feature allows the pump to clear trapped air for unparalleled reliability. Easily remove the cartridge for easy cleaning.Shurflo's Piranha series wakeboard ballast pump have been the pump of choice for Malibu and Sanger boat companies for a few years, and for good reason; they offer high pumping efficiency for fast fill times with minimal current draw, and or a durable product that offer many hours of trouble-free operation.Starting in 2011, Malibu began offering a 1,100GPH version of the Piranha pump as part of their Hi-Flo ballast system. With a larger capacity motor and 1-1/8" discharge connection, an increase in volume of over 37% meant ballast filled and drained faster than ever.Whether you simply need to replace a factory fitted pump that no longer operates, or if you're looking to expand or build a new ballast system, Shurflo's Piranha 1,100 high capacity aerator pump is a great choice. Shurflo Piranha 1100 Aerator Pump Features: Bag Fill Rate: 153 lbs/minute Pump Flow Rate: 1100 gallons/hour Inlet Connection Length: 1.5" Inlet Connection Thread: 3/4" NPT Discharge Connection: 1-1/8" Hose Barb Dimensions: 5.6" X 3.7" Removable Cartridge Anti-Airlock Tough Nylon Housing Submersible Ignition Protected