20 mL Headspace Screw Neck Vial N 18 outer diameter: 22.5 mm, outer height: 75.5 mm amber

Headspace screw neck vials N 18. More convenient, consistent, and safer sealing process compared to crimping (better reproducibility). No risk of inaccurate or inconsistent crimping results. Due to thinner septa suitable for SPME as well as for Headspace. Often used on CTC Combi PAL and identically constructed autosamplers as well as on PerkinElmer instruments.