D'Addario 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. Note: Humidipak is designed for restoring and maintaining instrument humidity. This product is not intended for dehumidification in high humidity environments.

YOUR GUITAR STILL THINKS IT'S A TREE. HYDRATE IT.
Keeping your instrument safe and playable has never been easier, thanks to D’Addario Humidipak. Using Boveda’s two-way humidity control technology, Humidipak automatically adds or depletes moisture to maintain the ideal humidity level of 45%-55% RH inside your instrument case, and eliminates the guesswork and anxiety of maintaining your instrument.

HYDRATION FOR YOUR GUITAR
Two-way humidification maintains a constant 45%-%0% relative humidity level within the instrument's case by automatically dispensing or absorbing purified water vapor as needed.