The actual cooling of the trailer is achieved using a GOVI arktik 2000US series refrigeration unit. These compact units provide a temperature range of 0°F to 50°F, are all electric and require only 110V and 15 amps. • 6’ x 8’ (336 Cubic Feet) • 6’ x 12’ (500 Cubic Feet) • 6’ x 16’ (600 Cubic Feet)