These new Brannan laboratory thermometers utilise LO-tox, an organic filling specifically chosen to achieve a wide temperature span and provide the lowest practical levels of hazard. The quality and legibility make these an ideal substitute for mercury thermometers. These thermometers are fitted with Brannan anti-roll end caps with a ring to allow the thermometer to be suspended. Features and specifications: Low-toxic blue or brown filling is easy to read; Accurately calibrated against traceable standards; 76mm immersion; Blue anti-roll top and safety suspension ring; Clear permanent markings. 305mm, -10/50 x 0.5°C div, 76mm Immersion, Blue Fill. LO-tox - Brannan.