280mm x 140mm Computer Case Fan Dust Filter PC Mesh Filter Cover Grills with Magnetic Frame, Black Color (2 Pcs)

I used this magnetic dust filter on my small ITX build to cover the GPU vent. The size was perfect—fit right over the slot with no need for cutting or extra work. The magnets hold well and I never had any issues with it moving around or falling off. At first, I tried stacking two filters for extra protection, but that really cut down the airflow, which wasn’t great since I do a lot of AI work and need the GPU to breathe. I went back to just using one, and it’s a good balance between dust protection and airflow. The mesh itself feels a little flimsy and is on the looser side, but it still gets the job done and keeps a lot of dust out of the case. The holes aren’t as tiny as some other fine-mesh filters I’ve used, but they’re much smaller than the vent holes in my case, so it’s a solid upgrade. If you really need more dust protection, you could double up, but I’d only recommend that if you don’t need a ton of airflow. Overall, I’m happy with it. Four stars for an easy install and doing its job, just wish the mesh was a bit tighter. If you want to keep dust down in a compact build, this will do the trick.

I've used dust filters like this on PCs for years. If you have cats, they're a must-have over any fan intakes. My current computers have integrated filters, but I bought these to cover a couple of metal floor vents/registers in my home. These affordable, sturdy, well-made dust filters allow hot or cold air through, but minimize dust, while simultaneously preventing debris from falling into the ducts. The magnets allow these filters to stick to the metal registers, while remaining easily removable for cleaning. I use one to minimize dust in my home office, and another to protect a vent near our cat's litter box, to keep out any tracked litter debris. This product is more economical, and environmentally friendly, than the disposable fabric filters I was previously using. While I bought these for a different purpose, I would not hesitate to use this product if I purchased a computer without built-in filters.

Size was correct and as stated. Built nice. They were easy to apply. Just slap on and they are ready. They help with the dust but wont eliminate it. There are some dust particles that make it through and can we seen when removed. That is the nature of small particles and expected. I wish the magnets were a bit stronger. Does the job as need though. They look sleek on the top and side panels. Avoid cleaning with wet wipes as they will snag the fibers.

Works great. It does the job. Good value. Magnet is strong enough. Satisfied with purchase.

Prevents about 95% dust from entering PC case. Would never go without these again. When I clean them there is always clumps of dust between these screens and the outer PC case vents.

Both arrived with a slight bend in mesh on top right corner but they still seal around the magnets.

Good, fit, easy, and simply works. Will not filter all the dust, and will reduce the airflow, but it works to its expectation. Would be nicer if using a stronger magnet.

The top of my 10 year-old Corsair mid-tower 330R case has no dust screen. I probably should have ordered mesh and self-adhesive magnetic strip to make my own that fits, but I went the lazier route; these are a pair of pre-made screens that are nicely finished and fit almost well, covering a size commensurate with a 280 mm opening (the size of a pair of 140 mm fans side by side). This approximates the size of the top opening, is just a bit shy of all the holes. It was a quick-fix compromise. I'll be replacing the case in the future when I upgrade to one of the monster sized graphics cards, but this is a decent and economic short-term solution to keep the internal dust accumulation down. (Note: bigger holes exist elsewhere in the case, like the majority of the case back, but I mostly keep a slight positive pressure interior during operation [I think].) My new build gets the top off due to my temporary cooling solution needing a top mounted radiator. I'll soon be going back to the Noctua NH-D14 I was formerly using as soon as the AM5 adapter I ordered arrives. Then the top goes back to being covered (it's a 'quiet,' noise dampened case). I know, TMI; but someone may appreciate the extra detail and I enjoy writing it.