13mm Hole Punched Vial Seals
For serum vials with a 7mm hole opening and 13mm outer top rim diameter. Seal perforati...
13mm Hole Punched Vial Seals
For serum vials with a 7mm hole opening and 13mm outer top rim diameter. Seal perforation is already punched through leaving a smooth opening to expose an underlying stopper (sold separately on this website).
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