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13 mm Silver Aluminum Center Disc Tear Out Seals for Serum Vials
The center disc tears out, exposing the top of the stopper to the syringe. For Vials with a 13mm OD.

13 mm Silver Aluminum Center Disc Tear Out Seals for Serum Vials
The center disc tears out, exposing the top of the stopper to the syringe. For Vials with a 13mm OD.