perforated metal mesh: ISO 9001:2000 meterial:carbon steel, stainless steel, Aluminum thickness:0.1-10mm perforated metal mesh:ISO 9001:2000meterial:carbon steel, stainless steel, ... Filter part, metal filter panelHole: round, square, diamondCharacter: winding-resisting, Ageing-resistingThe finished: electro-galvanized, Hot-dipped galvanized Material: low carbon steel , stainless steel, stainless ...