FIELD: devices for treatment and storage of powdery or granulated materials in various industries. SUBSTANCE: device consists of tubular body removably connected with cover of air filter and supporting structure for rotating of tubular body round horizontal axis on additional appliances located opposite to one another. In this case, supporting structure may consist of basket located on car which may be lifted to connect with body lower edge. EFFECT: simplified operation of filter cleaning and more efficient centering of container in the form of basket. 16 cl, 34 dwg
