– Magnetic Dust Filter Fan Mesh Cover Net Grill Guard Dustproof with Hole for PC – Effectively prevents dust from entering the computer case and prolongs the service life of the computer and its components; fine dust filter, easy to disassemble and easy to clean – Strong magnetic force, not easy to fall off, easy to use, and can be directly attached to fan or iron objects; magnet adsorption will not cause damage to the components; dust proof and anti-fouling – Both sides can be used, and the dust filter can be used on either side. It can be bent and cut to the desired size, which is suitable for different devices