... braided or spiraled. Cover NR & NBR synthetic rubber, red & blue or red & green in colors etc. Characteristics ... 530090050STC171"2536.530090050ABOUT US:Our company mainly manufacture rubber hose,conveyor belt,flexible metal hose,hydraulic ... hose,hose crimping machine,rubber roller,nylon rod,water-stop belt,fabric ... hose air hose Flexible Red/ black/ blue rubber air hose