This Innovive Innorack Mouse 3.5 Double-sided 176 Cage Rack System is in unused condition and is guaranteed to be fully functional. These rack systems came from a large biotech company that had surplus equipment. We received the boxes in factory taped, new condition. The rack shown in photos has some minor aesthetic blemishes from handling/storage. The other four racks were received in shrink-wrapped condition. We urge customers to view all photos as they show overall condition, included accessories and useful information. Listing only includes what is shown in photos. Sale of unit comes with a 30-day full money back guarantee return policy. Buyer handling return shipping. We will be happy to provide additional information as well as photos so please feel free to contact us with any questions. Please Note: Mouse cages and additional accessories are not included and will need to be obtained through manufacturer. Innorack IVC Mouse Innorack IVC Mouse 3.5 is a top-of-the-line ventilated rodent housing system designed to house Innovive disposable IVC cages. The Innovive IVC mouse rack offers dual HEPA-filtered ventilation, transversal airflow, positive/negative modes of operation, and a dynamic digital controller while providing a high-quality environment for your animals. ? Key Advantages: ?Lightweight, ergonomic design Dual HEPA-filtered, transversal airflow 176 cage position Double-sided rack For additional information please see last photo.