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20mm Superior Flip Cap Vial Seal, Black, Bag 1000
SFC20BLK-1K
New product
20mm Superior Flip Cap Vial Seal, Black, Bag 1000
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20mm Superior Flip Cap Vial Seals, Black, Bag of 1000
Complies with new USP regulations effective December 1 2013. Manufactured in the USA - for use on serum vials with a 13mm hole opening and 20mm rim to rim outer top diameter. These are far superior in construction compared to regular flip caps. The aluminum seal is constructed with the hole already puched through the aluminum. This greatly reduces the risk that the aluminum tears after removal of the cap. The aluminum stays "velvet-smooth" after removal of the plastic lid from the aluminum seal underneath. Several colors are available.