Integra Boost Humidity 320g 72%

Integra Boost 320 gram two-way humidity control pack, set to 72% relative humidity. It releases or absorbs moisture as needed to keep the air inside a closed humidor or container at 72%. Integra rates this size for up to 5 pounds of product. The pack is made with plant-based glycerin and water and is salt-free. A Replacement Indicator Card comes with it: when the dot turns bright blue, swap in a fresh pack. One pack.