glass gc headspace vials with metal cap Perkin Elmer-Aijiren 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, 100pcs/pk. Silver, 20mm Open Top Alu