Internal Threaded Cryo Vials have been meticulously crafted to facilitate the cryogenic preservation and secure transportation of biological samples under the harshest temperature conditions. These vials come pre-sterilized, ensuring the utmost purity by being free from DNase, RNase, and Pyrogen contaminants, thus guaranteeing the integrity of your valuable specimens. Their practical design features a conical base, which allows them to stand independently, making them highly convenient for laboratory work. These vials provide a dependable solution for researchers and professionals who require a reliable vessel for storing and transporting critical biological materials at ultra-low temperatures.