Johnson Pump 12V Viking Power 16 Waste Water PumpThe Johnson Pump Viking Power 16 is a modern single chamber waste water pump that offers set up in several different pump/motor configurations. The self-priming diaphragm is made of reinforced premium nitrile rubber and is able to be replaced without removing the pump from the system. Filters are unnecessary thanks to the non-choke valves. The quiet operating pump can be run dry and can handle a mixture of air and water without difficulty.Features: Robust single diaphragm; Reinforced nylon body; Quiet operation; Can be run dry; Low power consumption; Can pump air/water mixture; Non-Choke valves - no filters required; Easy to install even in tight spaces; Specifications: Body: Nylon, glass-fiber reinforced; Valves: Nitrile rubber; Diaphragm: Reinforced nitrile rubber; Capacity, open flow: 4.2 GPM; Capacity at 0.1 bar: 4.0 GPM; Mas lift: 9.8 ft; Max head: 9.8 ft; Connection: 1" & 3/4" KlickTite XL connectors, 90 (Optional); Voltage: 12; Fuse: 8 Amp; Length: 7.3"; Width: 8.9"/7.1"; Height: 4.6"/8"; Click here for the Viking Power 16 Installation Instructions