Solid Teflon Back-Up Ring, Size -021
Teflon
Buna 90 Duro Back-Up Ring, Size -212
Buna 90 Duro Back-Up Ring, Size -141
Buna 90 Duro Back-Up Ring, Size -117
Buna 90 Duro Back-Up Ring, Size -350
Buna 90 Duro Back-Up Ring, Size -128
Buna 90 Duro Back-Up Ring, Size -241