Guitar humidifier

Replacement sponges for acoustic guitar humidifiers, set of 3, to maintain optimal humidity levels and protect your instrument.

The D'Addario PW-HPK-01 is a two-way automatic humidity control system that maintains optimal humidity levels for guitars. It comes with a humidifier kit and can be used for both acoustic and electric guitars.

The D’Addario PW‑HPK‑03 delivers balanced, two‑way humidity regulation for guitars, automatically adjusting moisture levels to protect tone and wood integrity while keeping the instrument comfortable during play.