Solid Teflon Back-Up Ring, Size -211
Teflon
Buna 90 Duro Back-Up Ring, Size -125
Buna 90 Duro Back-Up Ring, Size -117
Buna 90 Duro Back-Up Ring, Size -137
Buna 90 Duro Back-Up Ring, Size -141
Buna 90 Duro Back-Up Ring, Size -136
Buna 90 Duro Back-Up Ring, Size -020