30mpa 4500psi High Pressure Air Pump Electric Air Compressor Airgun
Speed test: it takes 3 minutes for 0.5L oxygen cylinder to inflate 30MPa, 6 minutes for 1L oxygen cylinder to inflate 30MPa, and 40 minutes for 6.8L oxygen cylinder to inflate 30MPa. 110V Electric Air Compressor Diving Pump 30MPA.