2021 - 08 - 19. glass gc headspace vials with metal cap Perkin Elmer 202 - 07 - 06 Vials Cap Septa for GC HPLC – 2ml Amber Sample Screw Vials. 20mL, Amber Glass, 22.5*75mm, 20mm Beveled Edge, Rounded-flat Bottome, Short Neck, Crimp Top Headspace Vial suitable for PerkinElmer, 00pcs/pk. Silver, 20mm Open Top Aluminum Crimp Cap, pre-assembled