R411.820.121 is a perforated panel by Radiall that is designed for use in industrial and telecom applications. The panel is made from durable, high-performance stainless steel, and features a perforated design with 2.53mm round holes. The panel has an IP66 rating, making it suitable for dust-tight, water-jet protection, and is easy to install. The panel is also flexible, meaning it can be bent to fit any space and shape.