Cryotube box, Polycarbonate, for 81 x 5mL tubes, clear lid

Moulded polycarbonate boxes with positive alignment of lift-off lid versus box. Lids may be used to index specimen tubes. Polycarbonate is strong and remains non-brittle in very low temperature freezers. Suitable for temperatures from -190 to +121 degrees Celsius. The boxes are vented and stackable. The transparent cover allows view of contents and is numbered. The rack insert has numbered holes and is available in blue, red, orange or yellow.