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13mm Solid Silicone Serum Vial Stoppers, Pack of 100 pieces.
Meet USP Class 6
QCVIALZ Catalog SKU No. 73828A-CLS13-100
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13mm Solid Silicone Serum Vial Stoppers
Manufactured in the USA using USP Class 6 qualified materials.
For small serum vials with a 7mm hole opening x 13mm outer rim diameter 13mm crimp finish).
Typically used in smaller serum vials, such as our 2ml serum vials and 3ml serum vials.
Sold as a lot labeled, resealable pack of 100 pieces