Choose Thermo Scientific™ SureSTART™ 2 mL Glass Screw Top Vials, Performance Level 2, to ensure high quality data with an uninterrupted workflow in high-throughput applications using GC, HPLC/UHPLC, and single or triple quadrupole MS systems. Use Level 2 vials for routine QA/QC applications, where the analyte levels are achievable or close