Chromatography Vial, 9mm, S/T, Clear, 100/C SGE GC Syringe, 25µL Fixed Needle, Gas Tight Coupler for Cole-Parmer 500- and 750-Watt Processors. Class A Sample Glass Vials - Cole-Parmer. Screw-thread sample vials are manufactured from either clear 33 expansion borosilicate clear glass (Type 1, Class A) or 51A amber glass.