Do you want to ask "What is filtered sterilized beer called?" Filter the beer. During the beer brewing process, filtration is used to remove impurities and microorganisms in the beer. Filtration can remove suspended solids, yeast cells and other microorganisms in the beer, thereby improving the clarity and stability of the beer. Filtration-sterilized beer extends shelf life, reduces the risk of bacterial contamination, and makes beer clearer and more stable.