D'Addario Humidifier Humidipak Restore Kit-Automatic Guitar Humidification Conditioning System (PW-HPK-03)

RESTORE: The D'Addario Humidipak Restore Kit allows you to safely restore an instrument and case that is in a known dry condition or has previously not been humidified to the proper humidity level without any danger of over humidification., QUICK & SAFE: Quickly and safely restores relative humidity. Your guitar still thinks it's a tree, hydrate it., AUTOMATIC HUMIDIFIER: Humidipak automatically dispenses or absorbs purified water vapor as needed., MAINTAIN HUMIDITY LEVELS: Eliminates the guesswork and anxiety of maintaining your instrument’s proper humidity level, TWO-WAY HUMIDIFICATION: Two-way humidification maintains a constant 45-50% relative humidity level within the instrument's case