This item looks unused but I can't say for sure, not tested and sold as-is. Comes with an extra wick, still sealed in its original small manila envelope. The four corners of the box top have split apart. $8.00 for USPS Ground.
Vintage Taylor Model 5535 Comfortguide Hygrometer LNIB Measure Humidity
$19.0
Brand
Taylor
MPN
5535
Display
Analog
condition
Used