Fan Accessories FF123 - User-friendly magnetized design for easy installation. Ultra-fine porous filter provides excellent dust reduction. Compatible with most 120mm fans. Dust can become the worst enemy of a computer system, as it reduces cooling performance and can cause damage with excessive buildup. However, most fan filters are cumbersome to install, which is why SilverStone has developed an easy-to-handle fan filter – the FF123. The FF123 features an integrated magnet in its frame, allowing it to be effortlessly attached to a metal case without any tools. Therefore, anyone looking to reduce dust accumulation to enhance the longevity of components with improved cooling efficiency will certainly make an excellent choice with the FF123. Specifications: Color: black-white, Housing material: PVC/magnet, Application: 120mm fan filter, Dimensions: 120mm (W) x 120mm (H) x 1.5mm (D).