Features:1. 100 percent brand new and high quality. High hardness, good strength, durable.2. True HEPA and activated carbon filters to remove 99.97 percent of dust, allergens, bacteria and odors.3. Replace the filter every 6 months to optimize its work.4. Easy and convenient to install. 5. Never release hazardous substances or ozone.Specification:Condition:100 percent Brand NewMaterial: Filter paper and CottonColor: As Pictures Shown Size: Approx. 19.5x19.5x6.2cm or 7.7x7.7x2.4 inPackage list: 1 x Air purifierNote:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos maybe showing slightly different from the real object. Please take the real one as standard..3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.