Clean room is a controlled environment where the pollutants and other agents are not allowed to enter through controlling. Clean room is used for different scientific research, medicine production, aerospace engineering applications etc. The environment of clean room needs to maintain very low level of pollutants all the time as these pollutants can effects the results of research or degrade the quality of medicine prepared in the clean room. Some of the pollutants and factors that are looked to control in a clean room are humidity, dust, chemicals, microbes and many more.