Product: Set of 20 Activated Carbon Filter with 8 Exhaust Valves Replacement Unisex 5 Layers Protective Filters for Dust Running, Cycling, Outdoor Activities
Brand: NBDIB
Color: 20pcs
Package included:20*Activated Carbon Filter，8*Exhaust Valves

 If you have any question or problem about your face Filter, please feel free to contact us, we'll reply you within 24 hours, and offer you the best solution. 
High-quality materials: Made of the strong but lightweight breathable full mesh nylon material
Universal: replacement for all adults sized face cover inside with filter slot, recommend to replace the filters 1-2 times week
Safety protection: Ideal to protect your mouth and face from Dust, Haze,Allergies,Pollution, Ash, Pollen, Gardening, Crafts, Vehicle Exhaust, Woodwork, Pollen Allergies, and Fumes
Suitable for outdoor activities such as running, cycling, hiking, skiing, etc. It can also be used for anti-fog day and dust-proof. 8x Valves Replacements.
Must-have essentials to fresh the air of your breathing, length the lifetime of your face cover

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