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 FF142 fan filter. The FF142 has embedded magnet in its frame so it can be effortlessly attached to any steel chassis without tools. Its 320mm x 155mm size is compatible with most fan vents so it can be used in many places that require filtering. So for those looking for dust reduction for component longevity with increased cooling efficiency, the FF142 is an excellent buy.