KN95 Respirator Mask is a specialized type of respiratory device that is useful for blocking large airborne particles. This� Respirator fits on the face perfectly. N95 (US), KN95 (China) and FFP2 (EU) standards produce FFR devices that are similar enough to be interchangeable for the purposes of their use in a pandemic. All of them are good for filtering non-oil-based particles such as those resulting from wildfires, PM 2.5 air pollution, volcanic eruptions, or bioaerosols (e.g. viruses). KN95 follows China standards - GB 2626-2006. Shape : Cone shape Application: Filtering dust, bacterial, prevent from infect of Covid-19 Material : PP Nonwoven, Meltblown filter X 2, hot air Nonwoven Size: 10.5�?14.5 cm Color: White Strap Attachment: Ultrasonic welding Standards: GB2626-2006 Aerosol Type: Non-Oil Filter efficiency >95% layer - 4 layer and 5 layers
