Outdoor Sports Riding Mask Winter Warm Ski Anti-Fog Breathing Valve | Спорт и развлечения

Outdoor Sports Riding Mask Winter Warm Ski Anti-Fog Breathing Valve | Спорт и развлечения

Material: non-woven Function: Anti-fog, industrial dustproof Features: 4-5 layers of protection; cold flow breathing valve, reducing respiratory resistance; multiple filters, filter rate of 95% or more; nose beam protection cotton, nose bridge fit airtight; single piece of independent packaging, clean and hygienic sealed; Mask life    Anti-particulate masks work for about 15 hours. Take one-hour outdoor one-hour outdoor use for 2 hours. For example, the mouth can be used for at least 7 days. If the mask is discolored or damaged, it is recommended to replace it. The mask.    *Friendly reminder: This product is maintenance-free mask, can not be used after washing, can not be microwaved and disinfected.    * Adopt the new national standard GB2626-2006 implementation standard, KN95 protection level, all equipped with breathing valve, single package.