Consistent flow rate across variable pressuresSelf-priming (water) and maintenance-free with low vibration and pulsation characteristicsNo Relief ValveBrass Housing MaterialNPT 1/2" Inlet and Outlet ConnectionsConstructed with EPDM/Nitrile ElastomersFlowrate of 190GPH (575LPH)*Fluid Operating Temperature of between -4°F to 160°F (-20°C to 71°C)Maximum Mechanical Horsepower required 0.75hp (559W)¹