Coulter STKS hematology flow cytometer with 3-D VCS technology has the capability to provide superior. The combination of innovative technologies make it possible to produce highly reliable results, unprecedented detection of abnormal cell types, 24-hour sample stability, and superior separation of cell populations. So as to provide separation of cell population, the STKS system combines the use of three highly accurate measurements. Other features of the Beckman/Coulter STKS include graded RBC morphology and reticulocyte counting and FAIL-SAFE sample management system. Return Policy Items are sold as-is with no returns or refunds available unless explicitly stated.