Our refrigerator deodorizing and purifying gel contains a high molecular absorbent material, chlorine dioxide. It can provide safe deodorization and preservation. Its use method is very simple: 1. Open the bottle cap, tear off the sealing film. 2. Replace with a white slow-release cap and place it in the use area. And the operation is simple, it will automatically release decomposition after opening, so that your refrigerator deodorization is more convenient.