Assorted polypropylene caps inserts provide color-coding for easy sample identification Inserts are packaged in resealable bags 100 each of white, blue, red, green, and yellow Nonsterile Cap inserts fit all Corning cryogenic vials except Cat. No. 430289 and all 1D2D cryogenic vials. WARNING: Do not use cryogenic vials or Cryogenic Vial Storage boxes in the liquid phase of liquid nitrogen. Only store in the vapor phase above the liquified gas. Always use appropriate safety equipment when removing vials from cryogenic storage.
