Thermo Scientific Lab-Line Imperial III TSC-305. A single-chambered, gravity convection laboratory incubator. Features LED temperature display, hydraulic thermostat controls w/ support for second independent thermostat, fiberglass insulated body, corrosion-resistant aluminum interior, and chrome plated wire shelves. Temperature Range: Up to 67Â°C, with temperature control Â±0.2Â°C and a temperature uniformity at 37Â°C of Â±0.8Â°C. Capacity (Chamber Volume): 5.2 cu. ft. (147.2L). Exterior Dimensions: 25â€ L x 20â€ W x 34 1/2â€ H. Chamber Dimensions: 21â€ D x 17â€ W x 25â€ H. No. of Shelves/Shelf Area: 3 / 6.9 sq. ft. 120V 50/60Hz.