-Ship from US-PM2-5 Activated Carbon Filter - 5 Layers Replaceable Anti Haze Filter PM2-5 Replaceable Filters for Outdoor -30PCS-

FEATURES: 1.Five layers of PM2.5 Carbon filtering,Made of activated carbon and non-woven melt-blown filter cloth,effectively keep away from PM2.5 and a range of airborne contaminants. 2.Carbon filters size measures about 4.7 x 3.1 inches, compatible with most dust cover, easy to insert or replace the original one. 3. Mouth cover filter anti airborne particles dust, seasonal allergies,pollution, ash, gardening pollen and so on, suitable for most occasions. HOW TO USE: Step1: After washing your hands, take out the product; Step2: Place the PM2.5 carbon filter pad in the mouth cover to prevent slipping; Step3: Install the PM2.5 carbon filter, fit your face and wear it correctly. Note: 1. When film or sticky sediment stains emerge, please replace the filter. 2. The filters can not be cleaned and should be replaced every day for getting best protection.