3-pack of replacement packets for the D'Addario Humidipak Absorb Humidity Control System, the first maintenance free, two-way humidity control system that preserves a constant 45%-50% relative humidity level within your instrument's case.
The only maintenance-free, two-way humidity control system for guitar.
Automatically maintains the optimal 45-50% relative humidity level within your instrument case by adding or depleting moisture as necessary.
Packets last between 2-6 months and should always be kept in a sealed case.
