Moisture-proof Vacuum Coffee Canister

The vacuum storage tank can quickly put the fresh-keeping items in a low-oxygen and low-pressure state by means of decompression and high-efficiency manual air pump, so that bacteria and microorganisms are not easy to breed. Inhibits microbial growth by rapidly reducing oxygen. Through the action of vacuum negative pressure, it can achieve moisturizing, moisture-proof, mildew-proof and antioxidant effects. It is very suitable for long-term preservation of valuables (such as electronic...