200PCS PM2.5 Activated Carbon Filters, 5 Layers Replaceable Anti Haze Filters, Protective Mouth Filter for Outdoor

Product: 200 Pcs PM2.5 Activated Carbon Replaceable Anti Haze Filter. Filters size: 12 x 8 cm/ 4.7 x 3.1 inches

Filtration technology: made of activated carbon and non-woven melt-blown filter cloth, five-layer filter system effectively keep away from PM 2.5 and a range of airborne contaminants.

[5 Layer Protection]: 1st layer of cloth filters micron-level dust. 2nd layer filters industrial pollutants, automobile exhaust, passive smoking, and pollen allergens. 3rd layer of active carbon cloth filters micron-level dust. 4th layer offers filter density for smaller material. 5th layer of cloth filters out all kinds of harmful substances

Note: 1. Filter insert can not be cleaned and should be replaced every 1-2 days. 2. When film or sticky sediment stains emerge, please replace the filter

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