D'Addario Guitar Humidifier Packs - Two-Way Humidification System Conditioning Packets - For Maintaining Proper Guitar Humidification Level - 3 Maintain Replacement Packets

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 percent relative humidity level within your instrument case by adding or depleting moisture as necessary Replacement packets - now available in bulk 12-packs that are perfect for luthiers and guitar repair shops! 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 Protect your instrument - the patented two-way purified humidity control system protects your instrument against warping, cracks and other damage caused by lack of humidification; this system eliminates the guesswork and anxiety of maintaining your instrument’s proper humidity level Made in the USA - D'Addario accessories is known for innovative, problem-solving, quality musical accessories that are proudly designed, engineered, and manufactured in the usa to the most stringent quality controls in the industry