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The product adopts advanced technology. It is made of 5 layers of heat-sealing edging. The filtration rate of air particles is greater than 99%. The filtering effect far exceeds the ordinary single meltblown cloth filter on the market.
Filter material for mouth cover replacement, disposable every day without precaution. Effectively block particles and harmful substances such as pollen and automobile exhaust.
The filter consists by non-stick non-woven fabric + silver ion isolation layer + activated carbon isolation layer + meltblown layer + non-stick non-woven fabric.
Used in combination with a mouth cover to protect against vehicle emissions, allergies, pollen and smog. Ideal for crowded places, daily outing, pollen season, cycling, running, biking or outdoor activities.
Mouth cover + filter = dual filtering. Filter is replaceable and suit for most mouth cover which with filter slot. The cumulative effective use time of a single piece is 24 hours.