3 Refill Packets (3 bags) for HUMIDIPAK Automatic Humidity Control System

• For use with the HPK-01 Humidipak pouches that come with the Planet Waves Humidipak kit.
• Two-way humidity control for high humidity environments.
• Automatically maintains constant 45-50% RH.
• No water, no drips, no mess.
• Eliminates all mainainance and guesswork.