Microtiter Plate Washers Ultrawash II is an automatic washer and aspirator for Micro-Elisa and Microtiter plates. The operator programs the dispensing volume, soaking time, number of washaspirate cycles, and aspirating time. The system can also be programmed to be flushed and air-dried after use. Optional interchangeable heads permit the washing of strips or an entire 96-well microplate. A manual version, called the Ultrawash I, is also available. Dynatech Laboratories. Circle 572.