... : 1",1-1/2",2",2-1/2",3",4" 2) working pressure : 8,10,13,16,20bar feature of double jacket fire hose :1) high pressure resistance2 ... ) anti-agnig non-permeable3) application : fire fighting car, high official building , mining , water trnsporation ... .0/20/3003.0/30/4506.0/60/90010m-50m high pressure double coated fire hose