Red Spirit-Filled Total Immersion 12 Thermometer (-20 To 110 C; 0 To 230 F)

This thermometer has a 6 to 7 mm outer diameter, and the bulb has an equal or smaller diameter than the stem. It is graduated in both 1 degree Celsius and 2 degrees Fahrenheit. Lines and numbers are permanently fused to the glass. Negative 20 to 110 Celsius and 0 to 230 degrees Fahrenheit. It contains a petroleum-based column with red dye, which is significantly safer than mercury It is graduated in both 1 degrees C and 2 degrees F -20 to 110 C, 0 to 230 F. 76 mm. 12.