The filtering effect of KF94 is almost equal to N95. Can be used multiple times, KF94 is not a disposable mask, it can be used 4-5 times in ordinary environment. It can be used for about 50 hours. Hang it in a ventilated place after each use and discard it if you have difficulty breathing. parameter: Model: KF94 Size: Adult One Size. Quantity: 10 single packs. color: White. Storage: Store at the right temperature. Material: Non-woven Fabric  Notes for use: Wash your hands before putting on the mask, or do not touch the inside of the mask during use to reduce the possibility of mask contamination. Do not use in enclosed areas where the oxygen concentration is below 18%. Do not cover your nose with a towel, paper towel, etc. before putting on a mask. Do not use if there is dust in the mask. Do not deform the mask. Do not wash. Pregnant women, respiratory organs, patients with cardiovascular diseases, children, the elderly, etc. should stop using masks when they are not comfortable with breathing, please consult a doctor if necessary.
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