kf94 face masks are suitable for corona prevention and other influenza related illnesses. KF80 (80% blocking) passed only the sodium chloride (NaCl) test, and KF94 (94% blocking) passed both the sodium chloride (NaCl) test and paraffin oil test. According to KFDA standards, KF80 grades, commonly known as yellow dust masks, only need to pass the sodium chloride test, but KF94 grades, which are used as anti-fog masks, must pass the paraffin oil test.

 Since KF94 is designed to block yellow dust, fine dust, and even liquid fine particles such as saliva and secretions, it is more effective in preventing infectious agents of respiratory diseases and infectious diseases.

And in general, KF80 alone is suitable as a health mask used for outdoor activities.

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Please be advised we at allkeepermask does not claim that our mask diagnose, treat, cure, or any disease or existing health Contact Us

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