Hornady Canister Dehumidifier Xl

Hornady??s Canister Dehumidifier protects valuables from rust and corrosion. Moisture control crystals turn pink to let you know a recharge is needed. This humidifier charges by placing in an oven on 300?F for up to 4 hours. No batteries required.

Features:Protects items from rust & corrosion;Desiccant crystals change color when canister needs recharging;Recharges in 300?F oven until granules turn blue (up to 4 hours);Unlimited recharges, no batteries required