The suggested replacement period is seven sporting days

 Built with ten filters which may be placed across the interior of the mask, for modifying easily and quickly, and also reusable

 Package included 1 X Face Mask With ten Filtersor10 X Filter

 Ideal for Dust, Allergies, Smoke, Pollution, Ash, Pollen, Crafts, Gardening, Travel, Anonymity

 5, Haze, pollen feed, car exhaust

 The facial skin mask is reusable and washable, even though the filtration can't be cleaned

 5 Face MaskColor Black, White, RedWeight 50gMaterial CottonSuitable for AdultFeature Isolated from air debris, PM2

 With the ventilating worth, the mask is comfortable and safe to wear