Killark ZN108ZP - Neoprene grommet seals out oil and moisture. Nylon retention ring incorporates a splithinge design to prevent friction and provide strain relief, also color-coded for sizing identification. These heavy-duty connectors hold up to most manufacturing chemicals including, acid solutions, solvents and other corrosive materials. Machined steel nut, malleable iron body allows for tightening the compression nut and NPT hub without worrying about stripping the threads Neoprene grommet seals out oil and moisture. Nylon retention ring incorporates a split hinge design to prevent friction and provide strain relief, also color-coded for sizing identification. These heavy-duty connectors hold up to most manufacturing chemicals, including: acid solutions, solvents and other corrosive materials. Machined steel nut and malleable iron body allows for tightening the compression nut and NPT hub without worrying about stripping the threads. Wide range of sizes and configurations.