Dust can be a computer system's worst enemy as it has the potential to lower cooling performance or cause damage when left overly accumulated. But most fan filters are a hassle to install so SilverStone created an easy to use FF122 fan filter.The FF122 has embedded magnet in its frame so it can be effortlessly attached to any steel chassis without tools. In addition to filtering dust, the FF122's grille can reduce noise associated with air turbulence. So for those looking for dust reduction for component longevity with increased cooling efficiency, the FF122 is an excellent buy.