This Jouan 11175755 AC15.4 Fixed-Angle Centrifuge Rotor is in used condition and is guaranteed to be fully functional. This item came from a local lab that had surplus equipment and shows some aesthetic signs of normal use. We urge customers to view all photos as they show overall condition, included accessories and useful information. Sale of unit comes with a 30-day full money back guarantee return policy. Please feel free to contact us with any questions.