Covers unused positions in your network cabinet for a clean, seamless look Perforation with a free-air ratio of 64% for increased airflow and protection against overheating Prevents dust from entering through wide open spaces, which prolongs the lifespan of your server equipment Sturdy, high-quality, cold-rolled SPCC steel construction with antistatic powder coating Horizontal 4U 19' rack-mount installation EIA/ECA-310-E compliant; compatible with all standard 19 in. / 482.6 mm racks Cage nut set with four M6 nuts, 6x12 screws and plastic washers included Three-year warranty