The Hornady Security Canister Dehumidifier is filled with desiccant crystals designed to absorb moisture from your safe, closet, tool chest, or other enclosed area. As the desiccant crystals fill with moisture they change to a pink color. The Dehumidifier can be recharged an unlimited number of times in a standard oven. Protect your valuables against rust and corrosion. When the moisture control crystals turn pink, recharge unit by placing it in the oven. Unlimited recharges ensure a lifetime of use.

• Protect firearms and other valuables from rust and corrosion
• Desiccant crystals change color when canister needs recharging
• Recharge canister by placing in a 300 deg F oven until drying granules turn blue (up to 4 hr)
• Unlimited recharges, no batteries required