[TOOL-LESS INSTALLATION]: Seamlessly latch onto standard 19'' server racks, this toolless cable management brush cover facilitates organized cables and enhance overall efficiency with minimal effort. [COOLING EFFICIENCY]: By covering unused space in network cable management racks, this brush cover optimizes cooling system efficiency, mitigating the risk of overheating and promoting optimal server performance. [PROMOTE LONGEVITY]: With its nylon bristles, this 1U cable management brush cover helps eliminate dust buildup, reducing the risk of damage and enhancing performance. [DURABILITY]: Crafted from durable steel and fitted with high-density nylon bristles, this brush cover helps prevent cable strain and equipment damage, extending the lifespan of your hardware and ensuring seamless server operation. Dimensions: 1.75 in H x 19 in W x 0.39 in D. Package includes: 1U brush panel x6, M6 screws, plastic washers, and M6 cage nuts.