Solid Teflon Back-Up Ring, Size -214
Teflon
Buna 90 Duro Back-Up Ring, Size -145
Buna 90 Duro Back-Up Ring, Size -222
Buna 90 Duro Back-Up Ring, Size -315
Buna 90 Duro Back-Up Ring, Size -137
Buna 90 Duro Back-Up Ring, Size -133
Buna 90 Duro Back-Up Ring, Size -121