Recommended for the selection and subculture of Staphylococcus aureus in accordance with the harmonized method of USP/EP/BP/JP/IP. It is based on Mannitol fermentation with phenol red as indicator. High salt concentration inhibits other bacteria. Recommended for Microbial Limit Test (MLT). Available in scored plate for environmental monitoring, sterility checks by touch or contact method. Grids for easy counting.