140mm PC Fan Dust Filter Computer Mesh(Can Cut Smaller) Help to keep your PC and PC components clean,minimize the noise from the fan and extend the life-span of your fan. 14cm PC Case Fan,can cut for smaller fans When the fan in your PC blowing cool air inside a computer case, it can also take in dust and dirt. Specification: Size Approx.:140mm x 140mm Color:black Package: 1 x 140mm PC Fan Dust Filter Computer Mesh