Polycarbonate ultra-low temperature cryogenic boxes are designed to hold 5mL MacroTubes. The standard 5 1/4" X 5 1/4" x 2" are compatible with all 5.25" freezer racks. These cryostorage boxes can withstand temperatures to -196C and are fully autoclavable. The innovative hinged lid stays attached to the box and will never get miplaced or attached to the wrong box. Each box comes with alpha-numeric markings as well as a permanently screened unique barcode.
