RingSeal™ Cryogenic Vials are an excellent choice for long-term sample storage. Built with reliable o-ring seals, this exceptional range offers multiple variants to meet diverse research needs. Globe Scientific's RingSeal™ Cryogenic Vials are available in both internal and external thread options, as well as self-standing and round bottom formats, and are offered in the most popular volumes. Key Features & Benefits: Leak-Proof Design: RingSeal™ Cryogenic Vials provide leak-proof protection up to 90kPa, safeguarding against potential leaks or contamination O-Ring Seals: Reliable o-ring seals effectively protect samples within a wide temperature range, from -196°C to 121°C Round Bottom and Self-Standing Options: Choose between round bottom and self-standing vials based on your specific requirements Certified Purity: Certified DNase, RNase, and Pyrogen-free vials ensure the integrity and cleanliness of your valuable samples Internal and External Threads: Available internal and external thread options allow compatibility with a variety of laboratory processes Large Writing Area: Large writing area aides in convenient sample identification and organization Autoclavable: To ensure efficient sterilization while maintaining their structural integrity