Headspace Vials, Caps and Kits | Aijiren Tech Scientific – TR 20mL Clear Headspace Crimp Vial, Beveled Edge, Round Bottom, (20-CV) Silver Aluminum Crimp Cap, 8mm hole (20-AC-CBT3) 20mm Molded Blue Chlorobutyl/Gray PTFE 125 20-CVST3-CP 20mL Clear Headspace Crimp Vial 20mL Clear, Crimp Neck