The IC Biomedical HC12 Liquid Nitrogen Refrigerator is a 12-liter cryogenic freezer designed for storing a variety of materials at extremely low temperatures. This unit provides temperatures of -196°C at the liquid surface and -190°C at the canister top. It has a large storage capacity with superior vacuum performance and super insulation for maximum holding times. The refrigerator features a rugged, high-strength aluminum body, a convenient canister numbered index location ring, and a tapered internal spider. A roller base TW-R018 is available for improved mobility. The unit has a static holding time of 60 days, an evaporation rate of 0.20 liters per day, and a 12-liter liquid nitrogen capacity. The refrigerator comes with six thin-gauge stainless steel canisters. The manufacturer is ICBiomedical, and it comes with a 5-year vacuum warranty.