The VACASSO GL-FS32 Hepa Air Purifier is a true HEPA air purifier designed for large rooms of up to 540 sq ft. It uses a 3-stage filtration system that includes a pre-filter, a true HEPA filter, and an activated carbon filter to capture and remove pollutants, allergens, and odors from the air. The air purifier also features a UV light sanitizer and an ionizer that work together to further purify the air by eliminating harmful bacteria, viruses, and other microorganisms. The VACASSO GL-FS32 is designed to operate quietly and comes with a /n1X Remote Control(AAA Batteries Not Included) /n /n /nOptimal Room Size: 380-540 sq. ft. / 35.3-50 sq meter CADR: 300 cubic meter/hr / 210+CFM Air Flow Direction£º3-Dimensional spiral(Left & Right to Top) 3 Fan Speeds+Sleep Mode+Timer(1,2,4,8 hours) Auto Mode (Senses air quality and raises or lowers fan speed) UV-C Light Sanitizer+ Optional Ionizer Air Quality Sensor+ Optional Night Light Energy Saving: 19W(Sleep Mode), 36W/41W/60W (Low/Mid/High)