Thank you for viewing! NIKKISO Space Disinfection and Deodorization Device Aero pure series M (Reference) Manufacturer's Suggested Retail Price: 198,000 yen ◎ Made in 2021. ◎ Instruction manual included. 【Model】MN-JS1 【Power Supply】AC100V 50/60Hz 【Usable Area】Approximately 20 tatami mats (based on our standards) 【Product Dimensions/Width】301mm 【Product Dimensions/Depth】301mm 【Product Dimensions/Height】703mm 【Weight】Approximately 7.4kg 【Operating Modes】Weak/Standard/Strong 【Air Volume】0.5m3/min, 1.2m3/min, 2.0m3/min 【Power Consumption/Eco Mode】4.5W, 6.0W, 9.5W 【Power Consumption/Full Mode】21.0W, 22.0W, 26.0W 【Operating Noise】21dB, 24dB, 33dB 【Cord Length】Approximately 1.8m 【Country of Manufacture】Japan Regular maintenance is only required about once a month, simply vacuuming the dust off the pre-filter. It's simple to maintain and doesn't require much effort. It does not use filters or consumables that need to be replaced regularly. Therefore, it eliminates the need for replacement and reduces running costs. Operating noise is approximately 20-40dB. The quiet operation, similar to a whisper, will not interfere with concentration. It detects odors in the room with a sensor, and the monitor on the top surface indicates the strength of the odor with three colors. It also has an automatic operation mode that automatically switches the air volume based on the strength of the odor. Recommended for virus, disinfection, and deodorization measures in waiting rooms where people gather, spacious living rooms, facilities, and nurseries. Operation has been confirmed. It supports 20 tatami mats, so how about it for large rooms or waiting rooms in clinics, etc.? There are some minor scratches from use, but they are not noticeable and the overall condition is very clean. Please understand that this is a used item before purchasing m(__)m As a personal opinion, I used it in a 14-tatami mat living room, and the room no longer had any odors! Also, a family member has hay fever, but they said that their symptoms were significantly reduced and comfortable in the living room where it was used! Please research the product thoroughly before considering a purchase. m(_ _)m Management No. 025-0274