Plastic-Backed Thermometer, -40° To 50° C, 1 Each

The United Scientific® Plastic-Backed Thermometer, -40° To 50° C by United Scientific is a glass thermometer filled with red kerosene solution and mounted on a plastic backing card. Its -40°C to +50°C range covers sub-freezing outdoor readings as well as normal room temperatures. Science teachers use it for student lab work, weather observations and cold-temperature experiments where a protected, easy-to-read thermometer is needed.