Two-Way Humidification Replacement 12 pack, by D'Addario

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For the first time, the D'Addario Two-Way Humidification System (formerly Humidipak) is now available in bulk 12 packs. This is the perfect solution for luthiers and guitar repair shops. The Two-Way Humidification System is the first maintenance free, humidity control system, made by Boveda, which preserves a constant 45%-50% relative humidity level within your instrument's case. This eliminates all maintenance and guesswork.


• Two-Way Humidification bulk 12 pack replacement packets
• A 10% cost savings
 • Automatic humidity control protects your instrument against warping, cracks, and other damage cause by lack of humidification
• Eliminates the guesswork and anxiety of maintaining your instrument’s proper humidity level