supply double jacket fire hose in 1) Inner Dia : 1 ... : 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 and agriculture Inner Dia ... 3003.0/30/4506.0/60/90010m-50m high pressure double coated fire hose