It was kept in a second house and only used occasionally, so it's in good condition. It was in a room where there was no smoking or pets. There are no strange odors, scratches, or stains. Operation has been confirmed. There is no original box or instruction manual. Blueair's unique "HEPASilent technology" can remove 99.97% of fine particles of 0.1μm or larger. While maintaining airflow, it also contributes to quietness and energy saving. Color: White/Gray Recommended floor area: 26m2 (16 tatami mats) Applicable floor area: 41m2 (25 tatami mats) Power supply: AC100V 50/60Hz Power consumption: 52W Body size: (approx.) Width 440 x Depth 210 x Height 530mm Body weight: Approx. 10kg Material: Steel Operating noise: 32-56dB (A) Sensors: Yes (PM2.5/VOC/Temperature/Humidity) Carrying method: Handle Air supply direction: Top Air intake direction: Sides