Used D'Addario PWHPK01 guitar humidifier system-not in original packaging

Description

Humidification System: D'Addario Humidipak Is The Only Maintenance-Free, Two-Way Humidity Control System For Guitar. Includes Pouches And Guitar Humidifier Packs
Protect Your Guitar: Protects Your Instrument Against Warping, Cracks And Other Damage Cause By Lack Of Humidification
Two Way Humidity Control: The First Two-Way Humidity Control That Maintains A Constant 45%-50% Relative Humidity Level Within Your Instruments Case
Automatic Humidifier: It Automatically Maintains The Optimal 45%-50% Relative Humidity Level Within Your Instrument Case, Eliminating The Guesswork And Potential Mess Related To Refilling A Humidifier
not in original packaging