Description This item is a pack of PVC dust filter, which helps to keep your PC and PC components clean, minimize the noise from the fan and extend the life-span of your fan. It makes your computer cooling system works longer and thereby makes your computer runs smoothly. Features - Color: Black.- Material: PVC.- Size: About 4x4x0.05cm- Made of material for lasting use.- Keep your PC and PC components clean and extending the life-span of your fan.- When the fan in your PC blowing cool air inside a computer case, it can also take in dust and dirt.- Suitable for home computer chassis fan dust, speaker speaker grilles and a variety of electrical and electronic products speakers dust protection.- Practical and helpful to choose.Packing list: 20 x cooling fan dust cover