1.air rubber hose are very durable 2.our air rubber hoses have comptitive price and prompt delivery 3 ... bar BP. 60bar 1.AIR RUBBER HOSES---Material:SBR Natural rubber; Size: 1/4", 5/16", 3/8",1/2",5/8",3 ... /4",1" Color: Red, blue, black ... ( second reinforcing layer for1/2",5/8",3/4",1")+ outside bond layer; outside surface is mill finish, reinforcing ...