SnapSafe 5" Rechargeable Dehumidifier Canister - Secure Your Firearm with Confidence Protect firearms and other valuables against rust and corrosion by utilizing the SnapSafe Canister Dehumidifier. The cap indicator turns pink when the canister needs recharging. Simply heat in an oven to recharge the unit. Unlimited recharges ensure a lifetime of use. Type: Gun Safe / Storage Dimensions: 5 Color: Gray Security: Lockable Fireproof: Gray Lock Type: Rechargeable Firearm: No