Hydrosorbent 40 gram Silica Gel helps prevent condensation, rust, mildew, corrosion and spoilage before they begin. Ideal for safes and display cabinets. This will protect 3 cubic feet of enclosed space. These need no electricity and can be reactivated in 3 hours in a 300 degree conventional oven. The built-in indicator turns from blue to pink when reactivation is needed.
Protect your investment from moisture!