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N95 Mask With Valve

During the epidemic period, it is recommended that you try to choose n95 masks without law to completely isolate the virus. N95 masks without valves directly block the droplets. N95 Mask With Valves are opened when the valve is exhaled and closed when inhaled, so the droplets will fly out during exhalation. If a person with a new coronavirus is wearing a N95 Mask With Valve, the droplets cannot be cut off better.