I have cleaned it thoroughly, but it is a used item, so please refrain from purchasing if you are concerned or are a perfectionist. No box. ◆Product Description The tank capacity is almost enough for one day. You can use it hygienically with fresh water every day. All parts can be removed with one touch, making it easy to clean areas that tend to get dirty. The slim, simple, and timeless design suits any user and location. ＜Features＞ ● Essential oils and aroma water can be added directly to the tank. ● Easy water filling from the top of the tank. ● Easy to clean, and the tank can be washed for hygiene. ● The simple and compact design suits any user and location. ● Slim body with a 2.7L tank capacity. ● Approximately 250mL/h in High mode (continuous operation for about 10 hours). ● 3-level mist intensity settings (High, Medium, Low). ● OFF timer with no worries about forgetting to turn it off (2H, 4H, 6H). ● Automatically stops when the tank is removed or runs out of water. ◆Size Body: Φ144 x H335mm