Cycling Mask Accessories - Exhaust Valves Replacement and N99 Activated Carbon Filters
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Valves Replacement and N99 Activated Carbon Filters For Bike Mask
Material: Activated carbon, non-woven fabric, hot melt adhesive
Applicable scene: Filter Pollution Dust PM2.5
Area covered: Half-covered
Color style: White
Filters include: 6 layers Activated Carbon System
Valve function: Filter Fresh Air
Protection Level: Highest
Fit for: Cycling mask use as accessories
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