D'Addario Humidipak Absorb Automatic Humidity Control System
PW-HPK-04

Humidipak Absorb allows you to safely return your instrument and case to the ideal humidity level. Using Boveda’s patented two-way humidity control technology, Absorb automatically soaks up excess moisture at a safe rate, to re-establish the ideal humidity level, eliminating the guesswork of revitalizing your instrument. Best of all, using Humidipak is easy. No more dripping sponges or manual adjustments. Simply place the humidification packets with the included pouches into your instrument case, close the lid and relax, knowing your instrument is safe and sound.

Automatically maintains the optimal 45-50% relative humidity level within your instrument case by absorbing moisture as necessary.
Packets last between 2-6 months and should always be kept in a sealed case.
Eliminates the guesswork and anxiety of maintaining your instruments proper humidity level
Once guitar/case at 45-50%RH, change over to the Humidipak Maintenance packets