Wisesorb 10 Packs 500 Gram Desiccant Canisters, Indicating & Rechargeable Gun Safe Dehumidifier, Portable Desiccant Canister, Silica Gel Moisture Absorber for Storage - Wisesorbent Technology LLC., AM-Canister-500G-P

• 【Portable & Durable Silica Gel Tin Canister】 : Each tin canister is 7.24 inch x 7.24 inch x 0.8 inch. Pinhole of can body size: Tapered outer diameter φ2.00±0.02mm, inner diameter φ0.5.00±0.02mm. Independent small portable silica gel tin canister is convenient for you to use or store. They are commonly used in a variety of applications, including safe, electronics, and any storage containers. 【Color Change】: Cobalt chloride-free orange indicating beads will change color to green when they become saturated with moisture. Each orange indicating bead is 2-4mm in size and will begin to change to different colors at 20%-50%RH. When you find the beads begin to change color, it does not mean the beads saturated with moisture and the beads will continue to absorb the moisture until 50%RH. 【Great Absorbing & Widely Application】: Portable 500 Gram Dehumidifier contains moisture indicating silica gel Beads. You can use these desiccants in a few safes, closed space to control humidity. Such as safe, ammo cans, ammo boxes, tool box, 3d printer filament sealed plastic storage box, weapon case, closet and gives for storing items long-term as for guns, important papers, legal papers, collectibles, books, jewelry, camera lens, expensive camera equipment, ammo, photo equipment. 【Easy To Reactivate】: You can reactivate the silica beads and needn't open the box. Just placing into the oven for 0.5h-3 hours at 200°F-250°F (do not over 250°F). Also if open the box would return to orange be faster. 【Package Included】: 10 packs 500 Gram desiccant canister. Silica desiccant be a highly absorbent material that is used to keep moisture and humidity levels low in enclosed spaces. Overall, silica desiccant packs are easy to use and a great way to protect your belongings from moisture damage. Just remember to use the appropriate number of packs, seal the container tightly, and monitor the packs regularly to ensure they are still effective.