1RU tool-less blanking panel, square hole 19" (483mm) width for 3/8" cage nut holes (may be used with or without cage nuts installed).The tool-less blanking panels are part of the energy-saving airflow management solutions for smart data centers. They are designed to minimize bypass airflow in racks and cabinets while providing a desirable appearance. The tool-less blanking panel has design features that help to speed installation and is part of the complete range of cooling accessories available from Panduit to help maximize management and control of the physical infrastructure. The tool-less pass-through blanking panels have design features that help speed installation and allow cables to pass from the front to the back of cabinets. These blanking panels are part of the complete range of cooling accessories available from Panduit to help maximize management and control of the physical infrastructure.