Drinks up moisture from within enclosed storage spaces, safes, etc. Prevents condensation, stops rust, mildew, corrosion and spoilage. Once saturated, built-in indicator turns from blue to pink signalling need to reactivate unit. Reactivates easily in oven for lifetime protection. SG-40 Silica Gel Unit. 40 gram size. Protects up to 3 cubic feet of enclosed space. (USA)
