30mm Hole Punched Open Vial Seal, Natural, Pk of 250
30mm Hole Punched Open Vial Seal, Natural, Pack of 250 pieces
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30mm Open Hole Punched Vial Seals, Natural Silver Color, Pack of 250 pieces
These open 30mm aluminum vial seals have the center perforation punched through to expose underlying stopper (sold separately). These are the size of seals used on our 250mL and 500mL serum bottles sold separately on this website. 30mm stoppers sold separately here