Solid Teflon Back-Up Ring, Size -115
Teflon
Buna 90 Duro Back-Up Ring, Size -141
Buna 90 Duro Back-Up Ring, Size -138
Buna 90 Duro Back-Up Ring, Size -133
Buna 90 Duro Back-Up Ring, Size -236
Buna 90 Duro Back-Up Ring, Size -241
Buna 90 Duro Back-Up Ring, Size -020