Use Thermo Scientific™ SureSTART™ Glass Crimp Top Headspace Vials, Performance Level 3, for your volatile gas analyses. Available in 6, 10, and 20 mL clear glass formats, these headspace vials are made to withstand higher temperatures and internal pressures required for volatile gas analyses. This is a Performance Level 3 vial, which means it is designed to protect your most valuable samples and deliver consistent, reproducible results for your most demanding analyses. They are Specification Certified to ensure physical dimensions and autosampler compatibility. These vials meet all requirements of US, EU, JPN Pharmacopeia. Use 20 mm crimp caps and septa to seal these headspace vials. Buy in bulk for greater savings.