![13mm Flip Off Vial Seals, Yellow, Bag of 1000](https://voigtglobal.com/1262-large_default/yellow-west-13mm-flip-off-vial-seals-1000.jpg)
13mm Flip Off Vial Seals, Yellow, Bag of 1000
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13mm Flip Off Vial Seals, Yellow, Bag of 1000. For serum vials with a 7mm diameter hole opening and 13mm rim to rim diameter. Used when serum vial contents are to be dispensed using a needle and syringe.