PM 2.5 Carbon Activated Filter.
The filters size measures approx. Adult: 12 x 8.5 cm/ 4.75 x 3.25 inches. Compatible with most dust masks, easy to insert or replace the original one.
-Premium Filtration Performance- Made of activated carbon, non-woven and melt-blown filter cloth, five-layer filter system effectively keep away from PM 2.5 and a range of airborne contaminants.
-Wide Applications-Mouth mask filters anti airborne particles dust, smoke, pollution, ash, gardening pollen and so on. Ideal for all outdoor and indoor sports.
-Breathable Filter- This replaceable filter is breathable comfort which keep the mask inside of the clean and extend the using time.
-5 Layers Protection- This filters with 5 layers filter design can isolate up to 99.5% of dust, pollen, hazardous chemicals, fumes, heavy metal particles etc.