3 in 1 Innovative Medical True HEPA 13 filter with activated carbon is proven to eliminate up to 99.97% of particulate matters that are as fine as 2.5μm from the air such as aerosols, bacteria, and dust, making them a popular demand to use for air purifiers and HVAC systems in homes, offices, and hospitals. They are also used in industrial applications where air quality is critical, such as cleanrooms and pharmaceutical manufacturing facilities.
focusair purifier is equipped with a filter due indicator, which will flash at 1500 hours to prompt for filter replacement. Press and hold the reset button for 5 seconds to clear the filter indicator and reset the timing function.