Are you now troubled by dust chemicals, smoke and particles,
Do you want to enjoy a free outdoor life?
Common mask ? It has no effect.
Moving purifying respirator? It is large and burden
That's a good reason to buy this Activated Carbon Dustproof Mask. Refused to be a human vacuum cleaner, wear a dust proof ,anti-haze mask.
Usually one filter can be used for 30 days,
It is recommended to change at any time during flu and heavy pollution periods