Description Humidipak Replacement 12 Pack delivers consistent, maintenance-free humidity control to safeguard your instrument against the damaging effects of environmental fluctuation. Designed for use with the D’Addario Humidipak Maintain Two-Way Humidification System, these replacement packets automatically regulate the air inside your case to the ideal 45–50% relative humidity range. Unlike traditional refillable humidifiers, Humidipak technology responds in both directions—releasing purified moisture when conditions are dry and absorbing excess humidity when levels rise. This true two-way control helps prevent cracks, top distortion, fret sprout, swelling, and other structural issues caused by seasonal and geographic changes. The 12-pack format is well suited for players with multiple instruments, high-variation climates, or those who prefer to maintain a steady supply of replacements. For best performance, place the packets inside the Humidipak pouches within a sealed hard-shell case. When the packs become firm, they have reached the end of their usable life and should be replaced. Key Features Includes 12 replacement packets for the Humidipak Maintain System Maintains a stable 45–50% relative humidity range Two-way humidity control adds and removes moisture automatically No refilling, soaking, or manual adjustment required Helps protect against cracks, warping, swelling, and fret sprout Designed for use inside a sealed instrument case
