D'Addario Humidipak Automatic Humidity Control System (for guitar)

  • The first two-way humidity control that maintains a constant 45%-50% relative humidity level within your instruments case
  • Protects your instrument against warping, cracks and other damage cause by lack of humidification
  • No more manual adjustments based on seasonal changes, geographic locations, temperature, or other factors Unlike refillable humidifiers
  • Eliminates the guesswork and anxiety of maintaining your instrument’s proper humidity level