Solid Teflon Back-Up Ring, Size -129
Teflon
Buna 90 Duro Back-Up Ring, Size -137
Buna 90 Duro Back-Up Ring, Size -136
Buna 90 Duro Back-Up Ring, Size -350
Buna 90 Duro Back-Up Ring, Size -141
Buna 90 Duro Back-Up Ring, Size -129
Buna 90 Duro Back-Up Ring, Size -315