1PC 5 Layers Universal Filter Activated Carbon Anti Dust Filter For KN95 Face Mask Insert-filter Health Care Supplies

Specification MaterialActivated Carbon Breathable FiberLengthApprox 110mm 4 4 inchSingle Side WidthApprox 90mm 3 6 inchSuit ForUniversalFeatures 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 Dust proof Convenient to use Suitable for cycling racing skiing fishing snowboarding climbing etc Package included 1pc x Filter without face mask