Size: 22.5*75mm Volume: 20 mL Size: 22.5 x 75 mm I.D.: 20 mm 20mL Screw Top Headspace Vial + 18mm Magnetic Screw Cap Magnetic with Pre-fitted Silicone/PTFE Liner.
Aijiren Tech 20ml gas chromatography vials are manufactured to provide uniform glass thickness which ensures even heat distribution for consistent sampling reliability.
