2-pack of replacement hygrometer wicks, measuring 1/4" x 24" each. Wicks are used for humidity pan to allow the thermometer to read wet bulb temperatures. Simply cut the wick to the desired length, insert the wick into the stem (stem not included), and then place into vent hole.
NOW TAKING ORDERS FOR THE 2025 HATCHING SEASON
2026 SEASON COMING SOON!