6 separate sensors to control and regulate temperatureco2 and o2 gas environment can be adjusted. Range: co2 range: 2-10%; o2 range:2-20%grade a air quality. Constant circulating through uv light chamber; hepavoc filterfast recovery: co2 = 1 lh; o2=12lmindividual gas flow of each chamberthe 600 series offers an ideal solution for oocyte screening, fertilization, cleavage check and embryoblastocyst transfer in a humidified and oco controlled environment.