All XRP O-ring boss hose ends are designed with contoured entrances for improved flow. We offer ORB fittings for use with either our stainless steel braided CPE hose, xr-31 hose or our hs-79 ultra flexible PTFE hose. Some ORB fittings are available with full swivel capacity for the ultimate in adjustability. Easy to install, these versatile fittings work for a variety of applications available in wide selection of sizes and bends.