AutoFlow model NU-4950 is a CO2 water-jacketed Incubator designed to offer a reliable controlled in-vitro environment for optimum tissue cell culture growth. Model NU-4950 features a humidity sensor to control relative humidity in the chamber as well as an oxygen sensor to run hypoxic conditions for aging studies or stem cell research. The chamber also provides an environment for the storage and preservation of embryos, gametes and animal tissue cell cultures at or near body temperature, containing all five parameters that contribute to optimum growth conditions; Humidity, Precise temperature control, Precise CO2 control, Sterility, and Reliability.