... and economical.Compact And Lightweight Aluminium precision pressure casting pump housing Convenient Full Frame Easier to transport and carry. ... . About:2 inch,30(m3/h),Self-priming pump 5.5PS,Gasoline Engine,Single Cylinder,4-Stroke,OHV,Recoil Start. ... Description: ModelWP20PumpWater Pump TypeSelf-priming pumpOutlet Size (inch)/(mm)2" / ...