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Round Bottom Storage Vial 3.5mL Caps Only Green
Ideal for the storage of biological materials, our polypropylene tube with high-density polyethylene (HDPE) cap has an incredibly secure 2-turn closure that includes an external thread. Specifically designed to remove the risk of trapping sample on the inner wall. The difference in hardness between the tube and cap coupled with the cap’s molded in sealing ring forms a leak resistant seal.