Planet Waves PW-HPK-01 Humidpak Automatic Humidity Control System for Guitar
by D'Addario
- Automatically protects your instrument against warping, cracks and other damage cause by lack of humidification, The first two-way humidity control that maintains a constant 45%-50% relative humidity level within your instruments case, No more manual adjustments based on seasonal temperature changes or geographic locations, Eliminates the guesswork and anxiety of maintaining your instrument’s proper humidity level
