No more dripping sponges or manual adjustments due to seasonal changes, geographic locations, temperature, or other factors. Unlike other refillable humidifiers, this humidification system provides true “two way” humidity control by releasing or absorbing purified water vapor to maintain the ideal climate for wooden instruments within your instrument case.
Note: The replacement humidification packets are intended for use with the pouches included in the D’Addario Humidipak System (PW-HPK-01)
