sperm counting chamber is designed with 2- 8 single testing chambers. Each counting chamber may simultaneously test 2-8 specimens which can help you save your cost. 4.It is used for one time only without repetitive cleaning for reduction of working strength, and clean, simple and convenient operation to prevent cross pollution A.Designed for the computer assisted sperm analysis application, fulfills the casa standards and the oie standards application requirements. B.Fast heat conduction, rapid heating to the set temperature. Using our counting chamber will be more accurate result than the traditional one , and the former¡¯s testing time is shorter but more efficient. 100pcs/box