kn95,kn95 mask with adjustable headgear 5 layer disposable face masks

kn95 standard for respirator,self-priming filter type anti-particulate respirator,cleaning, diy,construction,home use,woodworking,mowing also kn95 mask disposable dust face mask with adjustable headgear anti-fog haze dustproof non-woven fabrics mask made of material, safe, soft and comfortable, reduce skin irritation.the inner layer of activated carbon can filter harmful gases or odors.95% filtration, 360-degree three dimensional breathing space,provide anti-bacterial for you