81-well Plastic Storage Boxes, pack of 4 assorted colors

81-well Cryogenic Storage Boxes-PC Features: For easy inventory management of cryogenic storage vials used in cell culture, pharmaceutical research and other biotechnology labs Store in mechanical freezers or liquid nitrogen Boxes are vented, allowing rapid cooling of contents and full drainage Made of tough polycarbonate for use with temperatures from -196CC to +121CC Transparent lids for PC boxes have a numbered grid for quick sample identification Chemically resistant to alcohols and mild organic solvents Box Design: 9x9 well storage (81-wells total) PC boxes with 4 assorted colors: red, yellow, green, and blue Holds 0.5ml, 1.5ml or 2.0ml microtubes and cryogenic vials PC box with Removable lid includes a numbered grid for orientation