Type:Emergency Name:underwater breathing apparatus Color:Silver;Yellow Capacity:5L;6L;6.8L MOQ:10Sets Cylinder materia:Steel;composite Working Pressure of the Cylinder:30mpa Cylinder Volume:5L;6L;6.8L Alert Pressure:5-6Mpa Duration time:50mins; 60mins Air Deposit:1500L;1800L;2040L Show More