Solid Teflon Back-Up Ring, Size -123
Teflon
Buna 90 Duro Back-Up Ring, Size -129
Buna 90 Duro Back-Up Ring, Size -020
Buna 90 Duro Back-Up Ring, Size -015
Buna 90 Duro Back-Up Ring, Size -019
Buna 90 Duro Back-Up Ring, Size -136
Buna 90 Duro Back-Up Ring, Size -224