Solid Teflon Back-Up Ring, Size -124
Teflon
Buna 90 Duro Back-Up Ring, Size -137
Buna 90 Duro Back-Up Ring, Size -224
Buna 90 Duro Back-Up Ring, Size -136
Buna 90 Duro Back-Up Ring, Size -141
Buna 90 Duro Back-Up Ring, Size -121
Buna 90 Duro Back-Up Ring, Size -225