This pump consists of mixture of fluid and gas pump and jet pump. This pump is widely used in interprise, park, ect. It is also used to wash vehical, ground, wall, ect. This pump' advantage is to increase pressure. Features: 1) Pump body: Cast iron 2) Impeller: Brass / plastic 3) Motor housing: Aluminum 4) Mechanical seal: Stainless steel 5) Shaft: 45# steel 6) Insulation class: B 7) Protection IP44 8) Single phase: 220V / 50Hz, 110V - 127V / 60Hz