Product Details: -Dust pollution mask made of 100% cotton,with replacement filter-activated carbon filter. -Free size stretch both men and women,ear clip can be adjusted freely. -With one way high efficiency breathing valve,keeps you smooth breathing,Easy to release heat and moisture. -Invisable adjustable nose bridge keep the right height,Guard against fog,Suit for the men women with glasses. -Reasonable thickness also provides an extra layer of warmth and face protection in cold weather. -Good for cycling,hiking,skiing,crafts,gardening,haze day protection,bus,pets & pet Grooming,travel and other outdoor activities,and household,hospital,public places etc. -Suitable for all of us men,women,young,pregnant women,Teens,old people and weakened immune system. -Package:1pack mask+5 pcs replacement filter Test Performance: 99.4% average filtration of salt medium. 95.5% average filtration of oily medium. The Recommended Cleaning Methods: -Suggest changing mask filter for 2-3 days on average depending on the level of pollution it is used in.This mask can be used for a long time. As long as the filter is changed,its effect is almost equal to a brand new mask. -Remove the filter and then put the mask to neutral detergent diluted with water. Gentle knead,clean and dry it in the shadow. -Please do not soak in water for a long time and do not bleach,so as not to cause the mask distortion and reduce the defensive effect. -Depending on the usage,please adjust the washing time,general recommendation 1 to 8 weeks. -Not recommended for children under three years of age,children’s use of respirator shall be under the guardianship of adults.
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