20MM PTFE/BUTYL SEPTUM 1000/PK 20020057 (EA)
https://www.ijabpt.org/shop/rw2-1030-51481-20mm-ptfe-butyl-septum-1000-pk-20020057-ea-313139
https://www.ijabpt.org/web/image/product.template/313139/image_1920?unique=07fba14
This 20MM is guaranteed a 20MM with the use of 20020057 and directly supplied to your lab by Gentaur's warehouse.
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30-day money-back guarantee
Shipping: 2-3 Business Days