Thank you for viewing. Operation confirmed, can be used without any problems. The filter has been used. Please replace it with a new filter before use. No outer box. Purchased in 2019. There is no major damage, but there are some scratches and signs of use here and there. It will be shipped with simple packaging using air-cushioning material, packing tape, and cardboard. Please understand and purchase. <The following is quoted from the purchase site> Manufacturer: Blueair Model: Blue Pure 231 [Boasts outstanding unique air purification technology] A simple & casual model from a Swedish air purifier manufacturer. [Purifies even a spacious living room powerfully] It draws air from all 360° directions and efficiently circulates clean air throughout the room from the top. [Easy operation with one button] You can turn the power on/off and control the speed with one button. [Easy maintenance with just filter replacement] Just replace the filter about once every 6 months (when used 24 hours a day) to restore the initial performance. [Colorful pre-filters are replaceable] Stylish pre-filters are available in 5 colors. You can change to your favorite color to match your interior (blue and dark gray are included). Applicable floor area: ~64㎡ (~39 tatami mats) Product dimensions (mm): Width 330 x Depth 330 x Height 522 Body weight (kg): Approximately 7 Power consumption: 42.0 watts Brightness 2500 lm #Blueair #Blueair #AirPurifier