![13mm Vial Stopper, 2-Leg Lyophilization, Pk 100 13mm Vial Stopper, 2-Leg Lyophilization, Pk 100](https://voigtglobal.com/10600-large_default/buy-13mm-2-leg-vial-stoppers-on-sale.jpg)
13mm Vial Stopper, 2-Leg Lyophilization, Pk 100
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13mm Vial Stopper, 2-Leg Lyophilization, Pk 100. For serum vials that have a 7mm hole opening and 13mm rim to rim top diameter.