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.

D'Addario is known for innovative, problem-solving, quality musical accessories. D'Addario offers a complete line of award-winning accessories including cables, picks, tuners, capos, straps, humidifiers, maintenance tools and more.

• 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.