The Internal Thread Self-Standing Cryogenic Vial by NEST Scientific is a sterile USP Grade VI PP cryovial with internal thread, silicone O-ring seal, and E-beam sterilization (SAL 10⁻∂), supplied in 10×10 racks. Available in 1.5 mL (606802, 1,400 vials/cs), 1.8 mL (607302, 1,200 vials/cs), 4.0 mL (608302, 800 vials/cs), and 5.0 mL (609302, 600 vials/cs).