Stainless Steel Wire Mesh For Filter Aperture:1-5000micron Wire dia.20-5000micron Material:304 304L 316 316L Anping County PFM Screen Co.,Ltd. ... , but Stainless Steel is the main material(SS304, SS304L, SS316, SS316L, SS410, SS410L, SS430), also can use other materials like: Plain Steel, High Carbon Steel, Galvanized Steel ...