This small portable silica gel dehumidifier 40-gram unit protects 3 cubic feet of enclosed space from the effects of humid air. The silica gel crystals extract the moisture in the air, protecting stamps and coins from the harmful effects of humidity. Indicator window shows when the unit needs to be re-activated in the oven per the enclosed instructions. Unit can be re-activated indefinitely so this will last as long as your coins. Perfect for keeping in your safe or lockbox to remove the humidity in storage!

Dimensions: 4" x 2" x 1/2"

Also available in a larger size for large storage spaces:
Dehumidifying Silica Gel - 450 gram

Item Subjects: Anti-Corrosion Stamp Supplies, Anti-Corrosion Supplies