With this optically appealing metal fan filter the problem of dust in the system is finally a thing of the past. It can simply be screwed onto a 140mm fan. This effectively reduces dust in the case. Airflow is only minimally obstructed by the wide metal mesh. The filter can easily be cleaned and hence is reusable over and over again. Technical specifications: Dimensions: 140x140mm Colour: Black Extent of delivery: 1x Fan filter 140mm Colour black