20Pcs 5 Layers Universal Filter Activated Carbon Anti Dust Face Mask Insert-filter

Specification MaterialActivated Carbon Breathable FiberLengthApprox 110mm 4 4 inchSingle Side WidthApprox 90mm 3 6 inchSuit ForUniversal Features With 5 layers of particulate filters can help to filtrate the gas from paint second hand smoke dust haze vehicle exhaust etc Adopts activated carbon and breathable fiber With two ventilation holes built in both sides for better breathability Effectively removes odor and absorbs harmful gases Dust proof Convenient to use Suitable for cycling racing skiing fishing snowboarding climbing etc Package included 20Pcs x Filter without face mask