PolarSafe&trade cryo/freezer boxes and dividers are made of sturdy white cardboard, with a moisture-repellent coating to protect form the effects of liquid nitrogen or condensation from refrigerated equipment. Boxes are sized to fit all standard
PolarSafe&trade cryo/freezer boxes and dividers are made of sturdy white cardboard, with a moisture-repellent coating to protect form the effects of liquid nitrogen or condensation from refrigerated equipment. Boxes are sized to fit all standard