Solid Teflon Back-Up Ring, Size -110
Teflon
Buna 90 Duro Back-Up Ring, Size -121
Buna 90 Duro Back-Up Ring, Size -015
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Buna 90 Duro Back-Up Ring, Size -212
Buna 90 Duro Back-Up Ring, Size -126
Buna 90 Duro Back-Up Ring, Size -224
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