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An innovation in preconception and fertility products, the Fairhaven Health Glass Basal Thermometer is a mercury-free and non-toxic alternative to mercury thermometers, that is designed specifically for Basal Body Temperature (BBT) charting. Family and Earth-friendly. Contains absolutely no mercury. Ultra accurate and certified to exceed ASTM standards. No-break, easy-read magnifying case. Includes fertility charts and detailed instructions on BBT charting. Cleans up with soap and water.
The images represent actual product though color of the image and product may slightly differ.