Constructed from marine quality bronze and stainless steel for ruggedness and reliability. Easy to service and maintain. Flow rate: nominal 22 liters/min (5.8 US gallons/min) at 1500 rpm Self-priming from dry up to 2.4m (7.8ft) Bronze body & neoprene impeller Wearplate: Replaceable Shaft: 316 stainless steel & lip type seal Bearings: twin single row, ball type Weight: 6 lbs. (2.7 kg)