20mm Full Tear Off Vial Seals, Red, bag of 1000 pieces.
This type of seal is to be used on 20mm crimp serum vials with contents o be POURED OUT - not for syringe withdrawl use.
20mm stoppers sold separately on this website.
20mm Complete-Full Tear Off Vial Seals, Red, Bag 1000. Crimps on serum vials with a 13mm hole opening and 20mm rim to rim diameter. For use when the aluminum seal and stopper (sold separately) are to be complete-fully removed to POUR out vial contents.
Alcohol resistant and autoclavable. Manufactured in the USA!