CellVision 20µm CASA 2 chamber glass counting chamberCellVision Disposable 20m slide Counting Chamber is the best choice and value for accurate and reproducible semen count using manual techniques or using CASA analysis systems for sperm count and motility. A special glass coating prevents air bubble formation and eliminates the interaction between semen and glass resulting in the chambers demonstrating a smooth sample fill. An even distribution of semen throughout the chamber is achieved technical