... world wire mesh filter discs 1.Brand:Heyou 2.Materials: Stainless steel wire mesh,black iron wire cloth, brass wire mesh, galvanized ... -layer. Filter discs are provided in different shapes: round, rectangle, hoop and ellipse, etc. 4.Feature:1)High strength. 2)good ... :53mm,70mm,90mm,120mm,160mm, mesh:50-400 per inch stainless steel filter discs