Protecting your firearms is a top priority and MidwayUSA has you covered with the Silica Desiccant Dehumidifier Canister, which helps prevent condensation, rust, and corrosion. Reducing the moisture in your safe is critical to making your firearms last. When the silica gel beads turn green over time, just place the unit in the oven for up to 4 hours at 300 degrees to reactivate the beads, and your back in action. Contains 750g of silica desiccant.Features:57 cubic feet of coverageMetal mesh allows for air to move through the canister wallsHelps prevent condensation, rust, and corrosionContains 750g of silica desiccant