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| cap overseal (Ferrules are crimped metal shells that attach elastomeric stoppers to vials as a seal, and cap overseals are plastic caps which cover the ferrules and stoppers. Wakeful dormouse) | |||
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| cap overseal (Ferrules are crimped metal shells that attach elastomeric stoppers to vials as a seal, and cap overseals are plastic caps which cover the ferrules and stoppers. Wakeful dormouse) | |||