They are used in order to keep the dust, which is formed from the process produced in industrial facilities and spread to the environment, mix with the air, and to separate them in the air, to throw the air into the atmosphere and to transmit the dust to the desired place. The air suction flow rate is calculated by the manufacturer according to the dust concentrations coming out of the environment and they are specially designed according to the operating conditions. Bag jet filters, which can be used for versatile polluting dusts in industrial facilities, are suitable for almost all kinds of dust filtration.