USED ​​RECTANGULAR SUBSTATION WITH BAG FILTERING SYSTEM WITH COUNTERCURRENT COMPRESSED AIR CLEANING AND MATERIAL COLLECTION HOPPER WITH MOTORIZED EXTRACTION SCREW FOR CONTINUOUS UNLOADING OF FILTERED MATERIAL. MADE WITH GALVANIZED SHEET METAL PANELS. DIMENSIONS 9000X2400 H 8000MM FLOW RATE 45000M3/H NUMBER OF BAG FILTERING SYSTEMS: 504 DIMENSIONS DIAMETER 123 H 2700MM FILTERING SURFACE AREA 526M2 PRICE ON REQUEST.