Use Thermo Scientific™ SureSTART 9mm Screw Caps with screw vials that have a 9mm opening, including our SureSTART 2mL Glass Screw Vials and 1.7mL Glass High Recovery Screw Microvials for <2mL samples (Level 2). Select Level 2 products for high-throughput applications, when robustness and reproducibility are key. Choose from polypropylene caps with all-purpose silicone/PTFE septa of various hardness values designed to reduce autosampler needle issues. Pre-slit and bonded septa options are available. Our AVCS™ caps incorporate Advanced Vial Closure System technology to ensure optimal seal compression when closing a vial. Use AVCS screw caps with our SureStop™ vials for effective seals, consistent data, and increased sample throughput.
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