YONGHENG 300BAR 30MPA 4500PSI High Pressure Air Pump Electric Air Compressor 110v. Volume: L36CM W18CM H37CM. Air Flow Rate: 50L/Min. Working Pressure: 0-300BAR 0-30MPA 0-4500PSI. Cooling System: Water Cooling. Compression Stage: Two Stage. Lubrication Mode: Splash Type. Material of Cover: Cast Aluminum. Material of Motor: 100% Pure Copper. Oil: ISO VG46 Anti-Wear Hydraulic Oil(the machine is without of oil because the oil is not allowed on the plane). Test Inflating Result: It takes 3 mins 50 seconds to fill full 0.45L tank to 30MPA. Test Inflating Result: It takes 8mins to fill full 1L tank to 300BAR.