Cell washer are one form of centrifuges that provide quality, consistent and time-saving performance in cell based studies. The primary purpose of cell washer is to wash the red blood cells for removing plasma. Removal of such substances by cell washer is necessary because they could interfere with antigen-antibody reaction. The market of cell washer are flooded with programmable cell washers. Programming helps the user in achieving flexibility to customize and save programs meant for repeated use. Besides some of the unique features in these cell washer is aimed at overcoming challenges while operating conventional cell washing systems. In the automated cell washers, maximum up to nine wash cycles can be carried out in a single centrifuge run.