Filter Discs: Major filter materials available for wire mesh filter discs: stainless steel woven wire cloth, stainless steel sintered web, phosphate bronze wire cloth and brass wire cloth etc. Filter discs are provided in different shapes: round, rectangle elliptical, other shapes. Single piece or multiple layered. Marginal materials for disc filters: stainless steel, aluminum and nickel-plated copper. Sizes: meeting customers specific requirements.