About this item 3-Stage Filtration Pre-filter, activated carbon filter and True HEPA filter. The HEPA air purifier for home removes 99.97% of dust mites, pollen, cigarette smoke, odours, mould spores, bacteria, cooking smell, pet hair, pet dander and air pollution of PM 2.5Desk Air Ioniser Purifier The desktop air purifier home with an ioniser releases 5 x 10^8 pcs/cm negative ions into outgoing filtered air to help air purification process and relieve symptoms of rhinitis, dry eyes, asthma. 100% ozone and UV-C light freeEssential Oil Air Purifier and Portable Add essential oil for fragrant air. The portable air purifier is compact. It can easily fit on work desk or bedside table. Perfect for small areas such as office desk, bedroom, studio, kitchen, pet room and baby roomQuiet, USB Power and Easy InstallationTwo fan speeds. Noise level lower than 45dB. DC 5V, 1A input, 4.5W. Switch on/off button. The true HEPA air cleaner works automatically once connected with power supply. USB Powered, wall charger not includedIdeal Choice as A GiftThe Ionic Air Purifier for office or home is suitable for people suffering from allergies, nasal stuffiness, cough, sneezing, asthma, etc. Perfect gift for baby, father, family, pet lover, friend and colleague.