22MM PTFE/SI SEPTUM (GL) FOR 40ML VIAL 100PK (EA)
https://www.knockoutrat.org/shop/rw2-1030-51487-22mm-ptfe-si-septum-gl-for-40ml-vial-100pk-ea-313149
https://www.knockoutrat.org/web/image/product.template/313149/image_1920?unique=07fba14
This 22MM is guaranteed a 22MM with the use of and directly supplied to your lab by Gentaur's warehouse.
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30-day money-back guarantee
Shipping: 2-3 Business Days