13mm Flat Wafer Stopper, Non-Coated, Bag of 1,000

13mm Flat Wafer Stopper, Chlorobutyl Rubber, Bag of 1,000 pieces. Does NOT have any special coating added.

This unique stopper for 13mm crimp finish serum vials has a unique construction that incorporates the flat underside of a septa with that of a typical straight plug stopper. Manufactured in the USA using USP Class 6 quality chlorobutyl rubber. NON-washed and NON-sterile ~ must be washed and sterilized by the customer or end user as required to meet industry requirements.