Gun Safe Dehumidifier, Moisture Absorbers for Safe, Storage, Closets & Cabinets, FULLBOW 750G Silica Gel Desiccant Dehumidifier (2 Units)

The silica gel canister dehumidifier is used for gun cabinets or tool boxes, protect firearms from rust, perfect gun safe accessories. | The indicating silica desiccant canister can be reused, just place it in a warm oven to reactivate 4 hours at 300F degree if color turns to dark green from orange | 750g renewable canister dehumidifier, each one can protect about 58 cubic feet of enclosed spaces | Black canister won't rust, silica gel desiccant not contain Cobalt II Chloride | Ready to use gun safe dehumidifier when you receive, no batteries or electrical, reactivate for years of use