[POWERFUL & EFFECTIVE PURIFICATION] - Equipped with a powerful long-life motor, designed with 360-degree air intake circulation. CADR of 187 m³/h 110 CFM. Refreshes an 825 Sq Ft space once per hour. Fresh air in minutes with Airspark air purifier for home large room and small room. Certified by ETL, FCC, and CA65. Quality assured with a 2-year free replacement warranty (filters are excluded) and lifetime technical support. [ADVANCED 4-STAGE FILTRATION] - (Ultra Fine Pre-Filter, Enhanced Pollen & Pet Filter, H13 True HEPA Filter, Active Carbon Filter). Airspark air purifiers utilize a 4-in-1 H13 True HEPA filter captures at least 99.97% of 0.3 micron particles such as smoke, pollen, pet hair, dander, and more. Absorb smoke, kitchen, cooking, and pets smell. Effectively improve air quality, help with sneezing, running nose, and uncomfortable symptoms caused by pets' hair, dander, pollen, or airborne particles.