Total Immersion Blue Spirit Filled Laboratory Thermometer-20°C to +110°C (L)305mm These spirit filled thermometers use specially selected filling materials which are coloured red on a white back glass. Thermometers normally supplied with the non roll cap with ring.Specification:Range (°C): -20°C to +110°CDivision: 1.0°CLength: 305mmFilling: Blue SpiritImmersion: Total ImmersionAccuracy: +/-1.0°C @ 35°CProduct Material: Glass Tube: Kerosene filled