HTY Microbial Enumeration Monitor (disposable S60 type, referred to as S60) , is a specialized consumable that can be used in concert with a variety types of microbial enumeration tester or filter support for microbial limit testing in areas of pharmaceutical, purified water samples. Based on principles of membrane filtration method, this monitor separates microbes form the solution,and trapped the microbes on the filter membrane. Pour the culture medium on the back (bacterial surface) of the membrane.Put it under a specific environment and restore the growth of microbes on the filter.Then count and identify them when they formed some visible colony.