Ultra Fine Mesh Cover PVC mesh that is extremely durable and can be washed with water and soap if it becomes dirty over time. Magnetic Frame Design Easy to install and remove. It can be placed anywhere on a metal chassis, no tools or screws needed. Washable and Reusable Gentle hand wash only. Do not bend. Do not wash in a washing machine. Clean every couple of weeks or when dust appears. Fan Filter In addition to being mounted on the casing, it can also be installed on the power supply. It effectively blocks dust as cool air is drawn in, and helps reduce noise. Provides efficient dust reduction and protects your computer from overheating. Use scenarios In a dusty home or office environment, install on the PC case to filter intake air and reduce maintenance, helping extend component life. For gaming PCs or performance workstations, use the filter to keep dust out of fans and heatsinks, supporting cooler temperatures and quieter operation. In compact builds or on power supplies where space is limited, mount the filter on the PSU intake or case edge with the magnetic frame for quick dust control without tools.