16 Pack Mask Filter Cotton Sheet for Cycling Dust Prevention Mask, 5 Layers Activated Carbon Filtration Dust Mask Replacement Air Filter for Exhaust Gas, Pollen Allergy, PM2.5, Outdoor Activities

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🌟 Stay Fresh, Stay Active!

This 16-pack of 5-layer activated carbon mask filters is designed to provide superior protection against dust, pollen, and harmful particles. Each filter is compatible with standard double valve masks, ensuring a comfortable fit for various outdoor activities. With a recommended replacement every week, these filters are perfect for maintaining your health while enjoying the great outdoors.