Performance descriptions: Wide pleat spacing, easy-cleaning design Unique plastic rotation, effectively separate the pleats, protect the filter media from abrasion by inner mesh Top open, bottom close, bottom close with deflating bolt hole Galvanized metal Rubber seal Applications: Widely used in shot blasting processing for large-scale shipyards, large steel, locomotives, container plants , etc. Selection of materials: Typical spunbonded polyester Water & oil resistant polyester Anti-static coating polyester Ptfe membrane