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Cole-Parmer Lab-Grade Glass Dewar Flask, vented polyethylene stopper, 350 mL
Supplier: Cole-Parmer 0376610
Highly efficient laboratory-grade Dewars feature low heat conductivity and high vacuum. Annealed borosilicate glass reduces risk of flask implosion. Weighted base reduces spillage. Resilient plastic mesh covering cushions the flask and ensures a firm grip. Vented polyethylene stopper (included) minimizes evaporation.
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