H-B Enviro-Safe General Purpose Liquid-In-Glass Thermometer; -10 to 150C, 50mm Immersion, Environmentally Friendly (B60501-0100) Earth friendly, EnviroKleen certified thermometers feature green, non-toxic, biodegradable, Enviro-Safe liquid against lead-free, white back glass Meet government, education, and industry mandates to purchase Green products Ideal for use in chemical/petrochemical laboratories, universities, scientific institutions, food and beverage processing, pharmaceutical and medical industries, dairies, breweries and distilleries Manufactured and tested by our USA quality team, individually serialized, traceable to NIST Include a multi-language (English, French, German, Italian, Portuguese, and Spanish) Statement of Accuracy and Traceability