Solid Teflon Back-Up Ring, Size -123
Teflon
Buna 90 Duro Back-Up Ring, Size -117
Buna 90 Duro Back-Up Ring, Size -145
Buna 90 Duro Back-Up Ring, Size -138
Buna 90 Duro Back-Up Ring, Size -019
Buna 90 Duro Back-Up Ring, Size -315
Buna 90 Duro Back-Up Ring, Size -137