Collection: Ultra Low -50°C to -86°C

K2 offers five ultra-low freezer models with an optimal freezing temperature range of -50°C to -86°C. The K203ULT & K205ULT have a more flexible range of -25°C to -86°C. You can use our ultra-low temperature freezers to store sensitive biologics such as vaccines, viruses, bacteria, cell cultures, tissue samples, chemicals, enzymes, and more. All ULT models feature vacuum-sealed cabinet insulation to maximize space and cooling efficiency.