Super Powerful Air Purifier, (Korean Words only). Coverage up to 463 sq ft. 16 Stage Main Filter System: Pre-Filter, Allergen Filter, Washable HEPA, W. Deodorization Filter, NPI Sterilization, Platinum Deodorization, AI Filter. NPI Sterilization System: Emit the Nano Plasma Ion, Sterilize the Suspended Bacteria in the Air Over 99%. Platinum Deodorization System: Remove harmful gases and the VOC's AI Filter: Remove Avian Influeza Easy Touch Sensor Opereartion. Set desired settings by touching funcion. Always active air cleaner unless specified in function. Easy Clean HEPA FILTER SYSTEM: High Quality Washabe Hepa Filter, Auto Diagnostic Purifying System: 2 Digital Sensors catch all polluted materials. Smart Display: Display the Clearness Index of in house air and automatically adjust power level Unit Made in Korea from LG Electronics. Name: PS-M550WP Color: Silver and Silver Back Capacity: Up to 463 sq ft. Filter System: 16 Stage Filter Sensor: 5 Digital Sensors Display: Graphic LED Design: Manual Push Buttons, Heavy Duty Design for Powerful Usage Dimensions (Lengh x Width x Height): 16.6 x 20 x 18.8 inches Weight: 40 pounds dimension: 16.8 in x 22.4 in x 10.6 in package qty: 1