amber 20ml borosil gc vials with beveled edge for lab test Alibaba-Aijiren HPLC Vials 20mL, Clear Glass, 22.5*75mm, 20mm Beveled Edge, Rounded-flat Bottom, Short Neck, Crimp Top Headspace Vial suitable for PerkinElmer, 100pcs/pk. UPS Type 1, Borosilicate Glass: 20ML-20-V4003: 20mL, Amber Glass, 22.5*75mm, 20mm Beveled Edge