High-tech Gasoline Engine Pump mainly includes 2.5inches, 3inches and 4inches according to the different size of water outlet High-tech Gasoline Engine Pump1.Aluminum precision molded pump housing 2.Fitted into a robust roll-over frame 3.gasoline drivenGWP Gasoline Engine PumpGWP-10A,GWP-10B,GWP-15A,GWP-15B,GWP-20,GWP-30,GWP-40GASOLINE CENTRIFUGAL PUMPPUMP INSTALLATION AND APPLICATIONSGWP ...