Panduit FLBSIM-51 Blanking PanelMeet the Panduit FLBSIM 51, a full length blanking panel crafted to blank out 451 consecutive rack units on standard 19" (483mm) wide vertical mounting rails. In data centers, server rooms, and network closets, clean and controlled airflow is essential for reliable performance. This blanking panel delivers a simple, effective solution to seal empty rack spaces, reducing air leakage, minimizing hot spots, and keeping your equipment protected from dust