Stirling Ultracold is a developer and manufacturer of a new generation of energy-saving, environmentally-friendly ultra-low t ... emperature freezers which operate over a range of -86°C to -20°C. The product line includes an upright 27.5 cu.ft. cabinet (780 liter), plus a 3.7 cu.ft. (105 liter) undercounter ultra-low freezer and a portable 0.9 cu.ft. (25 liter) ultra-low freezer. read more