The medium pack offers lifetime protection against moisture damage by reducing humidity in enclosed environments. It safeguards against condensation, mold, mildew, rust and corrosion, thereby extending the lifespan of stored valuables and supplies. This pack is suitable for use in gun safes, chests, cabinets, grain barrels, food storage bins, horse tack and more. It contains 450 g of silica gel, housed in a durable corrugated carton with dimensions of 4-1/2 x 2 x 7 inches. The unit features an integrated indicator that changes color to signal when reactivation is necessary. Reactivation is easily accomplished in a kitchen oven, eliminating the need for refills or replacement parts. Comprehensive, enduring protection against moisture-related damage, ensuring long-term reliability and performance for your equipment and systems The robust corrugated carton features dimensions of 4-1/2 inches in length, 2 inches in width, and 7 inches in height, ensuring durability and reliability The integrated indicator transitions from blue to pink, indicating the necessity for reactivation Provides protection for enclosed spaces with a capacity of up to 33 cu-ft, ensuring optimal safeguarding of the specified area The reactivation process can be effortlessly initiated in any standard oven, ensuring compatibility and ease of use across various models and brands The product maintains a shelf life exceeding two years when stored in its original packaging, ensuring long-term usability and reliability