? Convenient magnetized design for easy installation ? Ultra fine filter provides great dust reduction properties ? Compatible with most 120mm fans or vents 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 FF123 fan filter. The FF123 has embedded magnet in its frame so it can be effortlessly attached to any steel chassis without tools. So for those looking for dust reduction for component longevity with increased cooling efficiency, the FF123 is an excellent buy. Technical Details: Color: White Material: PVC/magnet Application: 120mm size filter Net Weight: 13.6g Dimension: 120 x 120 x 1.5mm Special Features Note: Remove package before use Store the filter separately during transportation of your chassis This fan filter has magnet on one side only