Cardboard Cryogenic Boxes and DividersBy Heathrow Scientific
Economical, one-size box safely stores 15 and 50mL tubes in LN2 or mechanical freezers. Box is constructed of cardboard and features bottom drain holes to prevent moisture buildup and provide drainage. The snug-fitting lid is designed so that tube caps do not touch the top. Choose between 16-cell partition for 50mL vials or 36-cell partition for 15mL vials.