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Feature

Package include: 2 Pcs Unisex Protect Mouth Cover, 8 Filters with 8 Exhaust Valves Replacement Dust
Easy Breathing: the dust-mask has excellent permeability, exhales, the valve opens without resistance, double breathing valve, the air resistance is smaller, soft breathing
Lightweight: the light air-mask is comfortable, breathable and good for use in hot climates, the dust-mask is made of nylon that offers excellent permeability
Hanging ear design Elastic strap: high elastic straps and the auditory cord fit better to the face
Replaceable filter: the mask can be used for more than 2 years, the 8 filters turn black or damaged, replace them on time, recommended once every 2-4 days