Over 99.97% purification rate: With H13 true HEPA triple filter, effectively filters particles as small as 0.3 microns, such as pet hair/dander, pollen, dust, etc. Better air quality, better breathing. HEPA Air Purifier for Home Large Room: With CADR 141CFM/260m³/h, kalado air cleaners for home clean a room up to 350 sq ft within 18 minutes, 520 sq ft within 30 minutes, and 1300 sq ft within 1 hour at high speed. This H13 true HEPA filter air purifier large room is perfect for your house, living rooms, bedrooms, offices, kitchens, and apartments. CARB-certified standard air purifier.