Specifications Working Pressure : 30MPa Start alarm pressure : 5.0 ~ 6.0MPa A regulator output pressure : 0.7MPa Size : 520x350x240mm Package Weight : about 8Kg (not inflated) Gas flow rate : ≥500L / min Respiratory resistance : <4.2mbar Cylinder water capacity : 6.8L Gas volume : > 2040 l Use time : 68 minutes (by air consumption 30 l / min calculation