Ks-Tek 20mm Aluminium Cap for Crimp Glass Vial Aluminium Sealing Top (Blue) 100pk: Amazon.com: Industrial & Scientific.
Wheaton W224221 Aluminum Crimp Seal with PTFE/Silicone Septa for Headspace Vial, 20mm Closure Size (Case of 100): Science Lab Cap Plugs: Amazon.com:
PerkinElmer B0104242 Crimp Top Aluminum Silver Cap with PTFE/Silver Septa, 20mm Inner Diameter (Pack of 1000): Amazon.com: Industrial & Scientific.
100Pcs 20mm Self Healing Injection Ports,vials Rubber stoppers,Butyl Cap for Glass Ks-Tek 20mm Aluminium Cap for Crimp Glass Vial Aluminium Sealing Top ...
Vial Crimp Cap 20mm Combination Seal: Aluminum Cap, Plain, Centre Hole; Moulded Septa Butyl/PTFE, Grey, 50° Shore A, 3.0mm: Amazon.com: Industrial
Wheaton W224225 Aluminum Crimp Seal with PTFE/Gray Butyl Molded Septa for Headspace Vial, 20mm Closure Size (Case of 100): Science Lab Cap Plugs:
Crimp Neck Vials and Aluminium Crimp Seals ND11 (Bevelled Top Headspace Crimp Neck) ... UltraClean Closure: 20mm Aluminium Cap, plain, centre hole;.
Wheaton W224224 Aluminum Crimp Seal with PTFE/Butyl Septa for Headspace Vial, 20mm Closure Size (Case of 100): Science Lab Cap Plugs: Amazon.com: Industrial