Manufacturer: Espec Model PLA-4GP Temperature /Humidity Test Chamber Quantity: Two Range: -40 to +150C / 20%rh TO 95%rh Interior Dimensions: 36" X 36" X 36" Technical: Single stage, self-contained air-cooled, casters, dual windows, multiple access ports, 230 Volts / 1 phase / 75 amps. Controller- Espec EY101 programable step. Stainless steel inside and out. In mint condition.