... shape:round,square 4.purify the world wire mesh filter discs 1.Brand:Heyou 2.Materials: Stainless steel wire mesh, ... mesh, etc.3.Variety: Single layer or multi-layer. Filter discs are provided in different shapes: round, rectangle, hoop and ellipse ... strongly corrosion resistance. 5)easy to clean. 5.Application: Filter discs and filter elements are mainly used for distillation, absorption, evaporation ...