D'Addario Humidipak Automatic Humidity Control System (for guitar)
A major concern for musicians is maintaining the proper moisture content for treasured instruments. Guessing when to refill or to adjust a humidifier can perplex even the experts. The revolutionary Humidipak Automatic Humidity Control System makes all the necessary adjustments and it does this without water, drips and mess.
The patented Humidipak is the worlds first true two-way humidity system for guitar that maintains the optimum humidity level for wooden instruments: 45% relative humidity. The two-way system means that it actually emits or absorbs moisture as needed to maintain 45% relative humidity. The Humidipak is an automatic system that eliminates maintenance, guesswork and protects cherished instruments. Simply place the Humidipack packets into your guitar, shut the case and let it do the rest.