400 x 300mm DIY Filter: This DIY PC case dust mesh filter provides you a wide range of size selection. Just cut the mesh after measuring the size of your computer case cooling port, and attach it to the iron shell through magnetic strip. | 8 x 400mm Magnetic Strips: Come with 8 x 400mm magnetic strips, the magnetic fan filter mesh features strong magnetic suction with no need to drilling, just peel off the back of the 3M adhesive stick to the dust mesh can be magnetically attached to the iron shell, which is easy to disassemble and clean, saving your time. | Dustproof and Ventilation: 1mm hole not only prevent dust and hair from case but also not restrict airflow to ensure enough ventilation, keeping your computer and some components clean, which can lengthen their working life. | PVC Dust Filter For Multiple Usage: Made of PVC material, not only can be used for home pc computer chassis and fan dust filter,speaker grills and other electrical electronic products dust protection, but also can be dust cover for gaming consoles,Xbox Series and more. | Package Included: 2x 400x300mm Magnetic fan dust filter and 8 x 400mm magnetic strips.