Create perfect balance with Integra Boost humidity regulators. Whether it’s keeping moisture low to prevent rot, or adding moisture to items that need to stay fresh, these packs do it all. The patented technology within these packets will add or remove moisture to control the humidity at 62%. A replacement indicator is included to alert you when it's time to change your pack, the dot turns from red to blue. Each pack can protect moisture for up to 12 grams of plants.These packs are easy to use and are available in 4 and 8 gram sizes.