Exceeding the HEPA standard: the antiallergic HEPA filter can capture more micro-pollutants than the HEPA standard, and capture 99.98% of large, small and micro-particles (based on EST-RP-CC007.3, 0.1-0.2 micron). * Allergens are inactive substances. Constant filtration: HEPA filtration without replacement *. The debris defense filter can protect the HEPA layer * for 5 years, and the test is GB/T 18801-2015 p.ccm. According to the daily operation of 50% CADR drop, 300 SQFT and 12 hours maximum f