Sharp Air Purifier KC-S50-W Recommended Area (Plasmacluster Applicable Floor Area (Estimate)): ~13 tatami mats Air Purification Applicable Floor Area (Estimate): ~23 tatami mats Maximum Humidification: 500mL/h Purification Time: 12 minutes (8 tatami mats) There is some damage to the cardboard box (see image 2), so we are offering it at a reduced price. The shipping label was originally affixed directly to the dedicated cardboard box, so we will ship it in the same way. Also, for safety, we will cover the handle.