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DWK Life Sciences 20mm Septa, Teflon/silicone
WHEATON Septa, 20 mm, PTFE/Silicone
Product Description:
For aluminum seal finishes
PTFE is highly chemical resistant to maintain integrity of contents
Available for vials with a 13 mm and 20 mm OD
Cat. No. 224168 is a specially molded septa with a PTFE inset. The sealing surface of butyl and PTFE effect a more positive seal than plain PTFE faced septa
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