... : Appearance Yellow,un-corrugated Use Pleatable filter media CompositionWater&oil repellent treatment spunbonded polyerster Product Code HLLR/170HLLR/240HLLR/260Air Permeability ... -processing, Shot blasting, Vacuum pumping sander.Powder convey, Pneumatic conveying system, Air inlet dust, Gas turbine, Cement industry.Dust suction, excavation ...