E18 Small Air Purifier Cordless and long-lasting charge: Low approx. 18 hours, Mid approx. 7 hours, High approx. 3 hours. The filter is washable, so no replacement is needed. Yet, it is fully functional. Unique round design, simple white color. Purifies air for approximately 10 tatami mats (approx. 16 square meters). Retail price: 21,000 yen 99% removal rate for viruses, bacteria, and PM2.5. Everything in the photos is included. Feel free to ask any questions! We carefully pack and ship your purchase. Regarding packaging, we use recycled materials to be environmentally conscious, so please understand.