Cardinal Health™ Modified Wright Stain Pack provides high quality stain performance for use on the Hematek® Slide Stainers. This stain pack is used for staining blood smears for differential diagnosis to identify and quantitate blood cell types. These stains consist of a modified polychrome methylene blue-eosin stain and is based on the original stain proposed by Romanowsky (Romanowsky, D. (1891) St. Petersb. Med. Wschr., 16, 297–307). For proper use on the Siemens Hematek® Slide Stainer, please refer to the instrument operating manual.