Bulk-packed Non-sterile Cryogenic Vial, PP vial, HDPE screw closure Economical, non-sterile version of Cat. No. 5000-0012 without printing or graduations. Closures and vials are packed separately. Externally-threaded vial. Basic design is similar to linerless closures used on NALGENE bottles and carboys – a sealing ring in conjunction with specially designed threads. No marking area, fill line or graduations printed on vial. Do not autoclave. Self-standing. Packed in a single bag. . Capacity: 2.0 ml Dimensions, O.D. x Ht.: 13.5 x 48.3 mm Dimensions, O.D. x Ht.: 1/2 x 1-7/8 in . WARNING! NALGENE Cryogenic vials are for research use only, not for in vitro diagnosis or parenterals. . WARNING! ONLY for use in gas phase of liquid nitrogen. Do not use cryogenic vials for storage in the liquid phase of liquid nitrogen. Such use may cause entrapment of liquefied nitrogen inside the vial and lead to pressure build-up resulting in possible explosion or biohazard release. Use appropriate safety procedures as outlined in the NALGENE Cryopreservation Manual (PDF-file or Lit. No. 10096) when handling and disposing of vials.