New Comes with stickers, tape, manual. The F.ball digital hygrometer tests subfloors for moisture, letting yit's user know if it is ready for the installation of floor coverings above. if not used and the subfloor does contain damp or moisture there will be a risk of damage and/or uplifting of the flooring. The Digital Hygrometer incorporates an accurate thermo hygrometer that indicates both relative humidity and air temperature. The Digital Hygrometer is supplied pre-calibrated and ready for use.
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