D'Addario Humidipak Maintain Replacement Packets 3-Pack

3-pack of replacement packets for the D'Addario Humidipak Humidity Control System, the first maintenance free, two-way humidity control system that preserves a constant 45%-50% relative humidity level within your instrument's case. 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. - 3 replacement packs for the D'Addario Humidipak 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 D'Addario is known for innovative, problem-solving, quality musical accessories. Planet Waves offers a complete line of award-winning accessories including cables, picks, tuners, capos, straps, humidifiers, maintenance tools and more. NOTE:  If you live in an extremely dry climate, you should initially monitor the Humidipak performance with a hygrometer to ensure they are functioning fully.