D’Addario Planet Waves Humidipak & Humiditrak Combo
The Humidipak is the only maintenance-free, two-way humidity control system for guitar. It automatically maintains the optimal 45%-50% relative humidity level within your instrument case, eliminating the guesswork and potential mess related to refilling a humidifier. No more manual adjustments based on seasonal changes, geographic locations, temperature, or other factors.
The Humiditrak Bluetooth Hygrometer with humidity/temperature sensor keeps track of the humidity and temperature levels of all your instruments with a discreet Bluetooth sensor, free app and push notifications.