The Repro-Pette Dilution System is used for preparing a semen dilution for performing a manual count (as with a hemacytometer). This kit contains all of the necessary supplies for performing up to 48 tests, including the reagent solution, pipettor, disposable pipette tips, lab wipes, and instructions for use. This product number is for preparing dilutions of 1:101. We also offer a system with a dilution ratio of 1:201 (prod #70-1270).