The AIR 3 Plus Nano Photocatalyst Anion Air Purifier can save the fresh air and suppress bacteria efficiently. Utilising the technique of photocatalytic to decompose the virus from PM2.5 and obtain cleaner air and stay away from allergen. With miniature,high-efficiency particulate air filter and the purifying system of high concentration anion, it is portable and detachable to wash without consumable.