![13mm Flip Off Vial Seals, Willow Green, Pack 100 13mm Flip Off Vial Seals, Willow Green, Pack 100](https://voigtglobal.com/1297-large_default/willow-green-west-13mm-flip-off-vial-seals-pack-100.jpg)
13mm Flip Off Vial Seals, Willow Green, Pack 100
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13mm Flip Off Vial Seals, Willow Green, Pack 100. 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.