Multi-bag filter is a pressure-type filtration device, adaptable multi-purpose filtration performance large flow liquid filtration, it can operated from 3 to 12 bags, the inlet and outlet connection from 3 inches to 10 inches flange meet different flow requirements. The cover can be bolted closed lid and quick opening of the V-shaped hoop locking, quick opening is suitable for frequent need to replace the bag, filter switch only 10 seconds, replace the bag can effectively reduce the time and improve efficiency. This simple filter operating flexible, energy efficient, replace the bag is very convenient, large filter area, smaller filtration resistance and high filtration efficiency.through one vessel while a bag changed.