20mm Center Tear Vial Seals, Rose Gold, Bag of 1000

20mm Center Tear Vial Seals, rose gold color, resealable plastic bag of 1,000 pieces.
For use on serum vials with a 13mm hole opening and 20mm outer rim diameter (standard 20mm crimp finish). 
For use on serum vials that will be dispensed using hypodermic needle. Suitable for chromatography samples, biologicals and similar industrial applications.