Solid Teflon Back-Up Ring, Size -115
Teflon
Buna 90 Duro Back-Up Ring, Size -241
Buna 90 Duro Back-Up Ring, Size -128
Buna 90 Duro Back-Up Ring, Size -350
Buna 90 Duro Back-Up Ring, Size -138
Buna 90 Duro Back-Up Ring, Size -015
Buna 90 Duro Back-Up Ring, Size -137