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Crimp seals (magnetic) with PTFE/silicone septa, pkg/100 gold seal (magnetic, with 5 mm center hole), (silcone blue transparent/PTFE transparent), diam. × thickness 20 mm × 3.0 mm, open center

Crimp seals (magnetic) with PTFE/silicone septa, pkg/100

Crimp seals (magnetic) with PTFE/silicone septa, pkg/100 gold seal (magnetic, with 5 mm center hole), (silcone blue transparent/PTFE transparent), diam. × thickness 20 mm × 3.0 mm, open center