10 PCS PM 2.5 Activated Carbon Filter Insert - Replaceable Anti Haze Filter Paper - Contains 5 Layers Of Protective Activated Carbon

HOW TO USE: After washing your hands, take out the product Place the carbon filter pad in the mouth cover to prevent slipping Install the carbon filter, fit your face and wear it correctly Activated Carbon Filter made of activated carbon and non-woven melt-blown filter cloth, five-layer filter system effectively keep away from a range of airborne contaminants.Ideal to protect your mouth and face from Dust, Haze, Allergies, Pollution, Ash, Pollen,Gardening,Crafts. Suitable for adults. Compatible with most dust masks, easy to insert or replace the original one. Please Note: 1. When film or sticky sediment stains emerge, please replace the filter. 2. Filter insert can not be cleaned and should be replaced everyday for getting best protection.