Planet Waves PW-HPK-01 Humidipak Automatic Humidity Control System (for guitar)

Main Features

• 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

The Planet Waves PW-HPK-01 Humidipak Automatic Humidity Control System (for guitar) is the only maintenance free, two-way humidity control system for guitar.


The Planet Waves Humidipak automatically maintains the optimal 45-50% relative humidity level within your instrument case, eliminating the guesswork and potential mess related to refilling a humidifier. Unlike refillable humidifiers, the Humidipak system provides true 'two-way' purified humidity control by adding and removing moisture on demand. No more manual adjustments based on seasonal changes, geographic locations, temperature, or other factors. The Humidipak Kit comes with 3 Humidipaks and a soft mesh pouch that will not harm your instrument's finish. Humidipaks last between 2 and 6 months and should always be kept in a sealed environment like a hard-shell case. Once the Humidipaks become firm, discard and replace using the 3 refills that come in the Planet Waves Humidipak Replacement Pack (PW-HPRP-03). This all new, reformulated, patented 'two-way' humidification system maintains 45-50% relative humidity which eliminates all maintenance and guesswork. this system is recommended by Taylor guitars and others for maintaining the stability and playability of your instrument.