Marina Standing Thermometer - Celsius and Fahrenheit, designed to sink to the bottom of the aquarium and remain in a vertical position, Centigrade, Has a safety zone temperature range indicator for most tropical fi
Thermometer, Material: Glass, Dual scale, Mounted on aluminum back, Filling: 3 grams of Toluene mixed with red color, Temperature: -20 deg to 110 deg C
Student Thermometer, non-toxic, Dimensions: 2in x 6in, Measure Fahrenheit and Celsius temperatures with these easy to read, Do not immerse in boiling water. Back of thermometer is plastic with hole at top for easy hanging
Student Thermometers, This student grade partial immersion thermometer is etched in 1degree increments. Each thermometer comes with an anti-roll triangle and a re-usable plastic storage tube. Filled with a petroleum-based column with
Wall Thermometer, Wet and Dry Bulb, Graduated in Celsius -20 deg to +50 deg (1 deg C) and Fahrenheit 0 deg to +120 deg (2 deg F). Includes humidity table in C and F. Dimensions: 10in x 3in x 0.5in