National Scientific Cap Snap 11 mm Blue Polyethylene White Silicone / Red PTFE Septa 1.0 mm 100/Pack

National Scientific Use Thermo Scientific™ surestart™ 11 mm snap caps with snap vials that have an 11 mm opening, including Thermo Scientific surestart 2 mL glass snap vials, 1.5 mL total recovery glass snap vials, high recovery glass snap vials, and glass snap microvials for <2 mL samples (level 3). Select level 3 products for ultimate performance and sensitivity from your methods, while maintaining the highest levels of sample security and integrity. Choose from soft polyethylene caps with double snap functionality that guarantees a tight seal. Thermo scientific snap caps include all-purpose silicone/PTFE septa of various hardness values designed to reduce autosampler needle issues. Pre-slit septa options are available for those who want septa that prevent vial-overfilling issues and re-seal well enough to avoid sample evaporation.

Thermo Scientific performance level 3 caps are specially designed and treated for mass spectrometry applications and contain the lowest amounts of metals, extractables, and leachables, ensuring that you consistently achieve sensitivity and selectivity from your most challenging analytes.

- SPCM (Additional S&H Or Hazmat Fees May Apply)