Hard to Find LARGE Thermotron Model S-8C Temperature Chamber With Mechanical Refrigeration NOW IN. With Interior Space of 24″ X 24″ X 24″ you have 8 Cubic Ft. of space to Test Your Product. Temperature Range of -70 to +170 Deg. C, New Compressors, Access Ports, and an easy to use Watlow control. We can upgrade the control to Touchscreen – Be Sure To Inquire.