Perforated metal mesh is highly adaptable, made from metal sheets with precisely punched holes in varied shapes & sizes. It filters tiny 5 - micron particles in fluids/air, provides up to 80% ventilation with security, enhances architectural beauty, and is strong (up to 500MPa). Made of 304/316 stainless steel, it withstands over 1000h salt spray. Hole tolerance is ±0.05mm, with sizes from 0.1mm - 50mm and custom sheets.