Solid Teflon Back-Up Ring, Size -220
Teflon
Buna 90 Duro Back-Up Ring, Size -141
Buna 90 Duro Back-Up Ring, Size -019
Buna 90 Duro Back-Up Ring, Size -236
Buna 90 Duro Back-Up Ring, Size -350
Buna 90 Duro Back-Up Ring, Size -212
Buna 90 Duro Back-Up Ring, Size -020