Homech 4l Ultrasonic Cool Mist Blk Humidifier

Preowned Loose and without Instructions or manual HM AH001 Homech black bedroom humidifier, comes without manual and no box. It was used handful of times by my teenage son and is somewhat dusty from being mainly stored in closet.  Reason for selling is that he is leaving for school. Works no problem. Smoke free home. No returns accepted . Mailed USPS Priority mail and will be packed carefully. Thank you!