Zan Headgear 5 Layer Pm 2.5 Filter for Protective Face Masks

ZANheadgears PM2.5 Replaceable Filter Pack includes 5 replaceable filters. This 5-layer filter gives maximum protection against dust and other airborne particulate. Active carbon filters 99.89% of the dust, chemicals, particulates, gas, pollen, smoke, and fumes. Pack of 5. 5-layer activated carbon filter. Each filter lasts 1-4 days depending on intensity of use. Active carbon filters isolates 99.89% of the dust, chemicals, particulates, gas, pollen, smoke, and fumes. High quality non-woven cloth. Filter protects from dust, cold, ash, pollen, fog & haze, vehicle exhaust, second hand smoke and more!. Filter Dimensions: 5in. x 3.25in., fits ZAN. Adjustable Face Masks & Gaiter Mask.