Highly efficient purification, fast odour removal Multiple filtration system: adopts a multi-layer filtration structure of primary filter, activated carbon filter and HEPA filter to effectively capture large particulate matter in the air, adsorb odours and filter tiny particles, quickly decompose smoke and odour molecules, significantly improving air quality. Strong purification ability: it can efficiently remove indoor smoke, kitchen fumes, pet odour, etc., and restore freshness to the air. Multi-scenario, flexible and convenient Full coverage of home and public places: suitable for home living room, bedroom, kitchen, as well as offices, commercial premises, hospitals, schools and other public areas, especially suitable for bars, KTV and other entertainment venues where smoke is serious. Portable and fixed: some products are small in size and can be used without plugging in, which is suitable for cars or small spaces; other equipment supports fixed installation to meet the needs of different scenarios. Safe and healthy, environmental protection and energy saving Environmentally friendly materials and low energy consumption design: non-toxic and harmless materials, low noise during operation, low energy consumption, in line with the concept of energy saving and environmental protection. UV sterilisation function: some models are equipped with UV sterilisation module, which can kill bacteria and viruses in the air and further protect air hygiene. Intelligent and Convenient, Hassle-free Operation Intelligent Sensor and Automatic Adjustment: Equipped with an intelligent control system, the working mode can be automatically adjusted according to the indoor air quality, enhancing the convenience of use. Simple operation and maintenance: one-button operation design, easy to use for both the elderly and children; filter replacement reminder function, reducing maintenance costs.