Filter design requires a mix of materials for support or to develop a protective underlying or outer structure of expanded or perforated metal
Perforated sheets are available in various patterns, thickness and materials. Perforated patterns consists of round, square, slotted and other custom designed patterns. Various metals can be perforated including mild steel, stainless steel, brass, aluminum, galvanized iron etc.
Perforated metalhas many applications, including screening, ventilation, protection, or decoration and offers a wide selection of hole sizes, gauges, shapes and materials.