SHARP Humidifying Air Purifier KC-B50-B Purchased in 2012, it's been quite a while, but I only used it for about a year. There is a feeling of use. I have confirmed the operation for this listing. I haven't checked the humidification by putting water in, but it worked fine when I was using it. - Brand: SHARP - Model Name: KC-B50-5 - Color: Black Thank you for viewing.