TOAAOT silica gel dehumidifier canister made of high quality silica gel material, put some in your gun case, can help to remove moisture from your ammos, not contain Cobalt II Chloride, they are environmental protection product.
- The silica gel canister is used for gun case or tool box, protect firearms from rust
- Included 3 units of 200g canister dehumidifier, each one can protect about 15 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