Fujitsu General Plasma Ion Deodorizer HDS-302G Brand: Fujitsu Maximum Applicable Area: 20 tatami mats I have cleaned the main unit and filter regularly. If you are concerned about the filter, you can purchase replacement filters online or at electronics stores. There are small scratches, but there are no noticeable scratches or stains, and it can still be used ^ ^ Width (mm): 274.0 mm Depth (mm): 262.0 mm Height (mm): 643.0 mm Maximum Noise Level (db): 45 db Power Consumption (W): 28.0 W Cord Length (m): 2.0 m