Corning® Cryogenic Vial Cap Inserts

Corning® cryogenic vial cap inserts are made of durable virgin polypropylene. The assorted colors provide color-coding for easy sample identification. Packaged in resealable bags of 100 of each in white, blue, red, green, and yellow. Non-sterile cap insert fits all Corning® cryogenic vials except Corning® Item Number 430289.