... . Coarse cartridge material: stainless steel (frame and mesh)6. Cartridge Material: titanium sintered filter, stainless steel folding filter, PTFE folded filter, polypropylene folded filter, sintered metal fiber tube ... of name, DN, material, press, flange standard, filter accuracy and technical data of stainless steel.Filter mediumWater, oil, gas, nitric acid, acetic acid, etc ...