Prestige HYB134 Hygrometer with Brass Frame and Glass Face, 1-3/4-InchPrestige
is on back order
Basic analogue hygrometer, 1 3/4" inch diameter, with Velcro strip to attach to your humidor lid.
This hygrometer needs to calibrated before use. We recommend that you use a "Boveda One-Step Hygrometer Calibration Kit" for calibration. It is simpler and more actuate than the salt test for many.