Feature: The dust filter is 100% brand new and high quality. Fit the filter on your computer case to Stop dust get into the computer. Keep dust away from your power,cpu and the whole case. Make your computer fan work longer and muter,the mainboard work better too. Wave-folded Design - Provides larger surface area for dust blocking. Specification: Material: Aluminium alloy Color: Black/Silver Dimension: 120 x 120mm Package Included:1 x Dust Filter Mesh Note: Please allow a little size error due to manual measurement. Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different.