Thank you for viewing. ★ DAIKIN Air Purifier MCK70YKS-W 　Made in 2021 ★ Condition There is a small black scratch, as shown in photo 4, which is difficult to see. Otherwise, there are no noticeable scratches or stains. 【Product Description】 (Quoted from the instruction manual) Approximate applicable floor area for air purification (50/60Hz)… 　・Air purification: ~31 tatami mats (~51m2) 　・Humidifying air purification: ~31 tatami mats (~51m2) Approximate applicable floor area for humidification (50/60Hz)… 　・[Prefabricated Western-style room]: ~19 tatami mats (~32m2) 　・[Wooden Japanese-style room]: ~12 tatami mats (~20m2) Approximate purification time… 　・Air purification: Purifies an 8-tatami mat room in about 9 minutes 　・Humidifying air purification: Purifies an 8-tatami mat room in about 9 minutes Humidification method: Vaporization element rotary type, double-pass mixing method Tank capacity: Approximately 3.4L