Solid Teflon Back-Up Ring, Size -219
Teflon
Buna 90 Duro Back-Up Ring, Size -145
Buna 90 Duro Back-Up Ring, Size -129
Buna 90 Duro Back-Up Ring, Size -350
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Buna 90 Duro Back-Up Ring, Size -116
Buna 90 Duro Back-Up Ring, Size -241
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