Autosampler vials with caps from Aijiren on sale--Aijiren . I pre-slit chromatography vial septa with screw cap USA glass gc headspace vials with metal cap Perkin Elmer 2021 – 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