The D’Addario Humidifier Pro protects your guitar even in the driest conditions. Using a specialized hydrophilic sponge that holds 12x its dry weight in water (much more than ordinary sponge).
- Specialized sponge holds 12x its weight in water
- Longer time between refills
- Stopper allows quick status check without removing the container from the guitar
CALIFORNIA PROPOSITION 65 WARNING