20mm Dark Gray Flip Off® Vial Seals, West Pharma, Bag of 1,000

20mm Flip Off® vial seals are for use on serum vials with a 20mm crimp finish (13mm opening x 20mm outer rim diameter). These type of seals have a plastic cap which can be removed by the user to expose a small area of a vial stopper underneath (sold separately). Flip Off® vial seals are normally associated with serum vial stopper and seal packaging that will be dispensed by the use of a hypodermic needle. 

Serum vials and vial stoppers sold separately. 20mm Flip Off® seals are the size normally used on most 5ml through 200ml serum vials on our website, but there are some exceptions. Please inquire for assistance before ordering.

Sold as a bag of 1,000 pieces in a resealable plastic bag. The specific West Pharmaceutical Services lot number will be included on the product label for traceability to your Certificate of Conformance

West Item No. 54202064