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Andwin Scientific SYRINGE NEEDLE 20 GAUGE PTFE

Supplier: Andwin Scientific Z117374
The PTFE syringe tubing has a gauge of 20 and a measured length of 24 inches. The PTFE needles must be punctured with a hollow SS needle. Afterwards, the PTFE needle is then threaded through. The SS needle is withdrawn, permitting the septum to seal around the PTFE needle.
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