About This

• The silica gel canister is used for gun case or tool box, protect firearms from rust, perfect gun safe accessories
• 800g canister dehumidifier, each one can protect about 58 cubic feet of enclosed spaces
• Black canister won't rust and the orange silica gel desiccant not contain Cobalt II Chloride
• The indicating silica desiccant can be reused, reactivate 4 hours at 300F degree if color turns to dark green from orange
• No batteries or no electric required, reactivate for years of use, the viewing screen is heat-resisting material, won't deform while heating in oven