20MM SEAL CTR TR AL NAT PTFE/R, 1 Case

Natural Aluminum Center Disc Tear-Out Lined Seal with PTFE Faced Natural Red Rubber, 20mm OD (Case of 1000)    
 
WHEATON? Lined, Aluminum, Seal
 
For use with 12 x 32mm crimp top vials
Open top seal provides for filling or retrieving contents with a syringe, large target diameter
Seals available in 4 colors
Choice of liner