Solid Teflon Back-Up Ring, Size -211
Teflon
Buna 90 Duro Back-Up Ring, Size -214
Buna 90 Duro Back-Up Ring, Size -222
Buna 90 Duro Back-Up Ring, Size -212
Buna 90 Duro Back-Up Ring, Size -020
Buna 90 Duro Back-Up Ring, Size -128
Buna 90 Duro Back-Up Ring, Size -136