You may also like. Metal name: metal double cylinder pump. Product material: metal, copper winding. Pumping speed: 1 minute to cheer quickly. Hose length: about 5 meters. Rated voltage: 12-13.8V. Product weight: about 6.5KG. Wire length: about 2.5 meters. Air pressure: 150-200 PSI. This pump uses a high-quality direct drive…