Air purifier equipped with a HEPA filter and negative ion function. TWINBIRD Air Purifier AC-D358 12 tatami mats (approx. 19 square meters), HEPA, deodorization, 3-stage power selection, pearl white ◾ Type: Air Purifier ◾ Size: 14cm depth x 41cm width x 43cm height, approx. 4.3kg ◾ Filter: HEPA filter ◾ Function: Negative ion generation ◾ Model Name: AC-FT06 ◾ [Note] Filter set is not included. Please prepare a new filter set (AC-FT06). ◾ Turbo, standard, silent, negative ion, and timer functions are all in perfect working order. With a simple operation panel and structure, it's easy to use and I believe it can still be used without any problems. It has been stored in a closet for about 3 years. The exterior and interior have been cleaned with disinfectant alcohol. Please consider this product, understanding that it is a used item.