The equipment is installed after the filter before the bright beer tank or after the bright beer tank before the filler. A microporous bag as filter medium in the trap filter will catch remanet yeast, PVPP, kieselguhr, various complex compound, and all impurities and clear them so as to make the filtered liquid more in line with hygiene standards, and maintain good biological stability, colloid stability and flavor stability. It is an essential filtering equipment for filtrating high quality and standards beer and beverage