1) clear, transparent,soomth 2) pvc resin 3) multi-size available 4) ... conveying water,oil,gas under normal working condition. 2)use in the factories,farm,ship,building and family ... without odor,and resistant to high pressure and erosion.2)by adding colorful symbol lines on the surface ... bue used within its recommender tempaerature and pressure range. 2) a hose epands and contracts according to the ...