YONG HENG AutoShut Air Compressor Pump 30Mpa 110V Electric Air Pump PCP 4500PSI. Adjustable auto-Stop PCP electric air pump power: 110V 60HZ;Motor power: 1.8KW. Air pump inflating speed: 2800r/min; Work flow: 50L/min; Oil standard: IS0 VG 46 & AW 46. Comes put together lightly used but has been sitting for some months now. Missing the small water pump. Used maybe 4-5 times briefly and then I lost the water pump. Please prepare enough cooling water, it is recommended to be a vat of water to achieve better cooling effects. WORKING WITHOUT WATER IS FORBIDDEN! Designed with two-stage compression and two water-oil separators for performance stability. It takes only 30 minutes to fill full 6.8L tank to 300BAR. PCP electric pump can be used for fire fighting, paintball, leakage detecting, pressure-tight test, automobiles, air impermeability test, pressure proof test, etc.