Crimp Top 20mm Clear Glass 10mL Headspace Autosampler Vials w/ Flat Bottom - 100/pk, CV2030. Tisch 20mm crimp top vials have a volume of 10mL and provide an excellent seal for long term sample storage and analyses involving high volatile solvents. Standard vials for GC and HPLC applications. Important Ordering Information: Caps & septa sold