Solid Teflon Back-Up Ring, Size -129
Teflon
Buna 90 Duro Back-Up Ring, Size -116
Buna 90 Duro Back-Up Ring, Size -019
Buna 90 Duro Back-Up Ring, Size -117
Buna 90 Duro Back-Up Ring, Size -015
Buna 90 Duro Back-Up Ring, Size -236
Buna 90 Duro Back-Up Ring, Size -138