... 20 25 4,Thickness:0.2--0.3mm ss corrugated gas hose high pressure pipe1) Connects firmly,2) Has ... flexibility4) Can be bent freely5)Working Pressure:6Bar,6)Test Pressure:10Bar,7)Burst Pressure:100Bar,8)Working Temperature:-40 ... ~70,9)Corrosion resistant,10)Won't jam gas,11)Hose ripple: dense corrugated circular wave ,12) ... ,500-1000mm 750-1500mm 1000-2000mm KH-311 gas connection hoses