Vialsin glass, septa and caps, we developed Verex HPLC / GC vial Headspace Vial, 22 x 38 mm, 6 mL Square Rim, Flat Bottom, Clear, No Patch.Sample Handling - Vials - NETHeadspac . Tel:+8618057059123. E-mail: market@aijirenvial.com. Home. Products 1-4mL Aut