Medical grade air purifiers with 5 year limited warranty.Feature patented technology & remove up to 99.9% of all particles, viruses, bacteria and other airborne allergens in the room, including Covid-19. 8 stage air purification system featuring 7 layers of filters.Ionic generator fills the room with over 24 million negatively charged ions every second to kill viruses.High output ultra violet system kills anything that remains.Negative ions recharge the air and energise the room so occupants feel more awake and alert.Smart mode analyses and monitors the air to determine optimal settings to restore air purity, automatically adjusting the fan speed. LCD display changes colour depending on air quality, showing; green (excellent) , blue (lightly polluted) or red (heavily polluted air) 4 methods of control: Infrared remote control, touch panel, WIFI application control and speech Alexa & Google. Multiple systems can be controlled remotely from one WIFI app which makes them perfect for buil