- Desiccant Silica Gel "drinks" dampness, prevents condensation, rust mildew, corrosion and spoilage from trapped air when cases are opened in damp, high humidity climates. Fits all cases.
- The Hydrosorbent 40 Gram Silica Gel unit protects 3 cubic feet of enclosed space. Enclosed in an aluminum canister. Chemically inert...safe to use with foods, photographic materials, fine finishes etc. No worry about stains: silica gel remains dry to the touch even when saturated. The desiccant of choice by Government and Industry.
- Needs no electricity, can be activated indefinitely, Lasts A Lifetime.
- Features a small transparent "indicator" window on one side of the unit. When the crystals are blue, the unit is active. When they turn pink, reactivate as per instructions.