... ect. 2. material:SBR NBR synthetic rubber 3. ID size 3/16-4'' 4.length 20m 50m 100m Flexible rubber air hose ... , weather resistant and zone resistant. It’s of pressure bearable, flexible, light in weight, anti-bending, less distortion and nice smooth ... .530090050ABOUT US:Our company mainly manufacture rubber hose,conveyor belt,flexible metal hose,hydraulic hose,hose crimping machine,rubber roller,nylon ...