This Package Comes with a Wrong Adapter, Please Purchase a UK Standard Adapter for Your Air Purifier. HEPA air purifier with a combination of pre-filter, activated carbon filter and true HEPA filter effectively removes 99. 97% of airborne particles as small as 0. 3 microns. Air purifiers for allergies trap common impurities in our daily life. Air purifiers for bedroom allows you to choose a suitable speed from low, medium, high, and Turbo, based on your different purification needs for optimal performance. You can selected according to air quality and space size to fill your room with clean and fresh air. In sleep mode, air purifiers for room purifies the air at only 25dB, creates a restful and soothing environment without disturbing your learning, working, or sleeping. With only 7 watts of power in Sleep Mode, you don't have to worry about energy. With CADR rating of 100 ft³/m, and compact as 7.6 x 7.6 x 10.6 in, PARIS RHÔNE air purifier for bedroom circulates air 5 times per hour in a room up to 215ft² (20m²), and it uses a 360°air intake, meaning you can place it almost anywhere in the room. Prior to use, remember to remove the plastic bag of the filter; for optimal performance, replace the filter every 6 months