"SHARP Plasma Cluster 25000 Equipped Humidifying Air Purifier KI-JS50-W" Purchased in 2019 and used a few times. I purchased another model last year, so I cleaned and stored this one. Usage frequency was about 5 times a month during the dry winter season for about 3 seasons, so it wasn't used very often and I think it's in good condition. There is no noticeable fading or sun damage. I have cleaned it, but please refrain from purchasing if you are concerned about cleanliness. If you are concerned about hygiene, we recommend replacing the filters. I used it with a separate genuine dust collection filter on the back, so I don't think much dust has entered the main unit. No smokers. The instruction manual is an electronic manual. https://jp.sharp/support/air_purifier/doc/kijs70_50_mn.pdf SHARP Model Number: KI-JS50-W Color: White Series Name: Sharp (SHARP) Representative Color: White PM2.5 Compatibility: Yes Tank Capacity: 2.5 L Filter Type: HEPA Maximum Applicable Area: 23.0 tatami mats Release Date: 2018/11/15 Pollen Mode: Yes Humidification Function: Yes Dehumidification Function: No Deodorizing Function: Yes Negative Ions: Other Ions Dust Collection Method: Fan Type Maximum Airflow: 5.1 m3/min Odor Sensor: Yes Temperature Sensor: Yes Dust Sensor: Yes Illumination Sensor: Yes Humidity Sensor: Yes #SHARP #KI-JS50-W #Smartphone/Home Appliances/Cameras #Home Appliances #Air Purifier"