1-1/2″ x 50′ medium duty pvc discharge hose coupled w/ mxf aluminum short shanks features: pvc tube/cover reinforced with 3 ply polyester yarns (one longitudinal and two spiral plies), extruded simultaneously to obtain maximum bonding resistant to oils, grease, many chemicals and acids strong, lightweight non water-absorbing and mildew-proof hose that rolls up flat for easy storage usmsha ic-150/1 flame resistance