Note: The color of the item may vary slightly due to photography and your own computerFeature:Suitable for: for the home computer chassis fan dust, speaker speaker grilles and a variety of electrical and electronic products speakers dust protection.Help to keep your PC and PC components clean,minimize the noise from the fan and extend the life-span of your fan.Fits standard 120mm fans or cut for small size.When the fan in your PC blowing cool air inside a computer case, it can also take in dust and dirt.Specification:Material:PVCColor:BlackDimension:120 x 120mm/4.72 x 4.72Inch(L x W)Weight:50gNote: 1.Installation screws are not included.2.The screw is standard. Hole distance is matched with the hole position, if the hole is not match, you can modify and adjust according to the actual situation.Package Include:10 x Computer Case Fan Dustproof Dust Filter