Our dialysis chair another function is blood donor/ donation chair. Normally our dialysis chair is multi-function used. We believe that our dialysis is made from the highest quality components available, is engineered to give you maximum service with minimum maintenance, and is backed up with the strongest warranty in the industry. We hope that you enjoy years of pleasurable use of your Passion chair, it is sizable, functional and movable, so you can save a certain degree of medical resources to better serve more patients.