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. Primary filter 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. EPA filter HEPA (High-efficiency Particulate Arrestance) is frequently used in hospitals and labs to filter out micron-sized particles. Mi air purifier filter uses an ultra-dense Toray PP to trap PM2.5, PM0.3, pollen, and other inhalable particles. Quality coconut activated carbon Activated carbon absorbs harmful gases that HEPA is unable to filter. Mi Air Purifier's coconut activated carbon is among the most effective of its kind. It is combined with an anti-formaldehyde formula that effectively absorbs harmful chemicals such as formaldehyde, benzene, and ammonia, as well as odors and smoke. 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. Package Includes: 1x Mi Air Purifier Anti-Formaldehyde Filte