several configurations to assist in maintaining sample 2.0 mL Clear vials, with PTFE/red rubber cap, unassembled 0.3mL clear glass, round bottom. Certified Vials, Caps, Septa, & Inserts - NET. 9 mm Screw-Top Vials and Caps with Bonded-In Septa. • Sample volume range from 0.2 to 1.5 mL. Vial Kit, 9 mm, 2 mL Clear. + PTFE/Silicone. Vial Kit ...