Planet Waves Humidipak System Replacement Packets - Pack of 3 + Planet Waves Humidipak Automatic Humidity Control System for Guitar

TWO-WAY HUMIDITY CONTROL – D’Addario Two-Way Humidification System is the only maintenance-free two-way humidity control system for guitar It automatically maintains the optimal 45-50% relative humidity level within your instrument case by adding or depleting moisture as necessary

REPLACEMENT PACKETS – Once the Humidipaks become firm, discard and replace using the three refills that come in this Two-Way Humidification Replacement Pack On average, the packets will last 2-6 months depending on the geographic location and the conditions of which the instrument is exposed to

MAINTENANCE-FREE – Unlike refillable humidifiers, the D’Addario system is maintenance-free It is long-lasting and does not require any adjustments based on seasonal temperature changes or geographic locations No water, no drips, no mess

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