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Pack Safe

Medical-clinical mercury thermometer

Small medical thermometer

Quantity limits: One small medical or clinical mercury thermometer for personal use, when carried in a protective case in checked baggage.

The thermometer must be in a protective case.

Regulation that allows it: 49 CFR 175.10(a)(7)

Tip: thermometers with a red line instead of silver are not mercury and not restricted. Digital thermometers are also not restricted.