Lightweight PVC dust filter keeps the air circulation in the chassis compatible with keeping it cool. Fine hole dustproof mesh can provide efficient dust filtration and compatible withprevent the computer from overheating, keeping the chassis fresh and clean. Computer fan dust filter helps keep your computer components clean and reduces fan noise. Nylon mesh compatible with the fan dust filter, easy to clean and replace. Two types, 9/12/14cm with reserved screw holes, easy to install, 8cm without screw holes. Suitable compatible with home computer chassis fan dust filter, speaker grilles and other electrical compatible withitems. Package includes: 1pc dust filter Note: 1. Please allow a slight error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the product. 3. Wish you a happy online shopping!