Solid Teflon Back-Up Ring, Size -219
Teflon
Buna 90 Duro Back-Up Ring, Size -117
Buna 90 Duro Back-Up Ring, Size -350
Buna 90 Duro Back-Up Ring, Size -015
Buna 90 Duro Back-Up Ring, Size -020
Buna 90 Duro Back-Up Ring, Size -214
Buna 90 Duro Back-Up Ring, Size -224