Ideal for Children and Schools
For safe, nonhazardous scientific experiments, this Enviro-Safe® Thermometer is filled with a special biodegradable Enviro-Safe liquid in lead-free glass (no disposal problems). Accuracy is guaranteed with calibration traceable to NIST. Easy to read with green liquid against white back glass and permanently fused markings. Partial Immersion. Range -10° to 260°C.