There are a variety of mesh types that can be found on filter discs.The most common type of mesh is woven wire mesh.Woven wire mesh is made by weaving together wires of different materials, such as stainless steel, copper,brass.
Here are some of the most common types of mesh used in filter discs:
Plain weave mesh
Dutch weave mesh
Sintered mesh
Perforated mesh
Etched mesh
Expanded mesh
Pleated mesh