This Rame-Hart Inc 100-07-00 Environmental Chamber is in used condition and was removed from a working environment. This item came from a local lab that had surplus equipment. Unit shows slight aesthetic signs of normal use. We urge customers to view all photos as they show overall condition, included accessories and useful information. The sale of this unit comes with a 30-day full money back guarantee return policy. We will be happy to provide additional information as well as photos so please feel free to contact us with any questions. For additional information please copy and paste link to brochure PDF below: http://www.ramehart.com/pdf/100-07_Environmental_Chamber.pdf If link is no longer available please contact us for copy of PDF