Room Thermometer with Flat Metal Back, Celsius - Fahrenheit

For classroom or outdoor use. Spirit-filled glass thermometer mounted on a rustproof aluminum plate with dual scale -20‚° to 230‚° F x 1‚°F and -30‚° to 110‚°C x 1‚°C division. Approx. (l x w), 6-1/2" x 1" (165x25mm).