PM2.5 Carbon (3-Layer) Cycling Masks Filter

PM2.5 Carbon Activated Breathable 3 Layer Filter Mask Inserts. Used As An Added Accessory For Cycling Masks. Helps Filter Out Smog, Dust, Toxic Vapors & Pollen.

• 3 layers of particulate absorbing filters.
• Adopts activated carbon and breathable fiber.
• Dual ventilation holes built in both sides for better air flow.
• Effectively filters and absorb harmful gases.
• Suitable for cycling, racing, skiing, fishing, snowboarding, climbing etc.
• Aids in filtration from toxic vapors, paint, second-hand smoke, dust, haze & vehicle exhaust.