17,5MM PTFE/SI SEPTUM 1000/PK 17021417 (EA)
https://www.teragenomics.com/shop/rw2-1030-51431-175mm-ptfe-si-septum-1000-pk-17021417-ea-313072
https://www.teragenomics.com/web/image/product.template/313072/image_1920?unique=07fba14
This 17,5MM is guaranteed a 17,5MM with the use of 17021417 and directly supplied to your lab by Gentaur's warehouse.
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30-day money-back guarantee
Shipping: 2-3 Business Days