17,5MM PTFE/SI SEPTUM 1000/PK 17021318 (EA)
https://www.manchesterbeacon.org/shop/rw2-1030-51432-175mm-ptfe-si-septum-1000-pk-17021318-ea-313071
https://www.manchesterbeacon.org/web/image/product.template/313071/image_1920?unique=07fba14
This 17,5MM is guaranteed a 17,5MM with the use of 17021318 and directly supplied to your lab by Gentaur's warehouse.
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