Xiaomi Mi Smart Air Purifier 4 Pro

OverviewUltra-dense H11-grade filter and filters up to 99.5% of PM0.3 - Mi Air Purifier uses an ultra-dense Toray PP and PET HEPA filter to trap PM2.5, PM0.3, pollen and other inhalable particles, allowing only clean air to pass through. It measures 7.7m when fully extended and effectively filters out 99% of PM0.3 particles and 99.99% of PM2.5 particles. - 360° filtration , 3 layers high-efficient purification - 3 layers high-efficient filtration and purification (Primary filter, EPA filter and high-quality activated carbon) The cylindrical shape provides 360° filtration of large floating particles and harmful substances. - It has high flexural strength and is resistant to folding, grease, fats, acids, alkalis and most solvents. The cylindrical shape provides 360° filtration of dust, hair and other larger floating particles. - Absorbs all kinds of odors and harmful substances - Home renovations and other activities may release substances such as formaldehyde, benzene and TVOC, which can cause harm at high densities. Mi Air Purifier's coconut activated carbon filter absorbs hundreds of harmful substances in these situations, keeping your home clean and your family healthy. ATTENTION: - All filters lose effectiveness over time and must be replaced promptly. Filters not replaced on time may not be able to block harmful substances or may cause secondary contamination. Contrary to what others may advertise, cleaning old filters with water or a vacuum cleaner does not guarantee that the filter will regain its effectiveness. We recommend you change filters every six months or less, depending on your usage. Use the Mi Home app to monitor filter lifespan and receive notification reminders when your filter needs replacing. - Only fits for Original Xiaomi Mi Smart Air Purifier 4 / 4 Lite / 4 Pro