The External Thread Self-Standing Cryogenic Vials by NEST Scientific are sterile, self-standing external-thread PP cryovials rated to −196°C in liquid nitrogen vapor phase. Certified DNase-free, RNase-free, human DNA-free, and non-pyrogenic; manufactured under cGMP and ISO 13485. Available in 1.0 mL (618901), 1.5 mL (606901), 2.0 mL (607401), 4.0 mL (608401), and 5.0 mL (609401).