Solid Teflon Back-Up Ring, Size -124
Teflon
Buna 90 Duro Back-Up Ring, Size -133
Buna 90 Duro Back-Up Ring, Size -224
Buna 90 Duro Back-Up Ring, Size -129
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Buna 90 Duro Back-Up Ring, Size -019
Buna 90 Duro Back-Up Ring, Size -222
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