... corrosion, high temperature and low temperature resistant3. Stainless Steel Filter Disc usage:petroleum, oil refining, chemicals, light industry ... cleaner of automobile and tractor 4. Stainless Steel Filter Disc shapes: Round shapeRectangle shapeElliptical shapeother shapesSingle piecemultiple ... . 5. Filter Disc Packing:packed in plastic film, outside is wooden cases or carton Hebei filter net disc ( ...