Use Thermo Scientific™ SureSTART™ 9 mm screw caps with screw vials that have a 9 mm opening, including SureSTART 2 ml glass screw vials, 2 ml gold-grade glass screw vials, total recovery glass screw microvials for <2 ml samples, 1,7 ml high recovery glass screw vials, and glass screw microvials for <2 ml samples (Level 3). Select Level 3 products for ultimate performance and sensitivity from methods, while maintaining the highest levels of sample security and integrity.

Choose from polypropylene caps with all-purpose silicone/PTFE septa designed to reduce autosampler needle issues. Pre-slit and bonded septa options are available. AVCS™ caps incorporate advanced vial closure system technology to ensure optimal seal compression when closing a vial. Use AVCS screw caps with SureStop™ vials for effective seals, consistent data, and increased sample throughput.