3-pack of replacement packets for the D'Addario Two-Way Humidication System (formerly Humidipak)

• 3 replacement packs for the D'Addario Two-Way Humidification System
• Automatic humidity control 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
• No water, no drips, no mess
• Custom made by Boveda fo D'Addario