The box has been opened, but the item is new and unused. * Rapid intake, speed deodorization, triple deodorization * Catches various substances! Dust collection function * Protects your room and skin from dryness! Clean humidification * Clean air is welcome! Sterilization function * Deodorizing power restored! No filter replacement required * Cleaning with a vacuum cleaner once a month and washing with water once a year is recommended. Excluding the high-performance dust collection filter (sold separately). (The frequency of cleaning varies depending on the usage conditions in your home. Replacement may be necessary depending on usage conditions.) 【Specifications】 Applicable floor area: Deodorization/Plasma Ion ~ 20 tatami mats (depending on the amount of the source), Humidification ~14 tatami mats (prefabricated Western-style room) ~8.5 tatami mats (wooden Japanese-style room) External dimensions: Width 300mm x Depth 276mm x Height 446mm Weight: 6.2kg Deodorization method: High-speed mega filter III (metal oxide catalytic honeycomb filter), ozone unit (high-concentration ozone), deodorizing component release (low-concentration ozone) Dust collection method: Pre-filter (washable), dust collection filter (washable)