Carbon filters size is approx 4.8 x 3.15 inches, compatible with most dust, easy to insert or replace the original one.
The mask can preserve heat and is waterproof.
Made of soft texture, activated carbon and non-woven melt-blown filter cloth. 5 layers filter system keep away from PM2.5 and a range of airborne contaminants and comfortable wear.
PM 2.5 filtration with an efficiency rate of up to 95%
Ideal to protect your mouth and face from Dust, Haze, Allergies, Pollution, Ash, Pollen, Gardening, Crafts, PM2.5, Vehicle Exhaust, Woodwork, Pollen Allergies, and Fumes
1 x filter
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