Visible, but hugely effective.
Couldn't be easier to mount, doesn't impede air-flow at all, and they really keep the dust out. Definitely the most effective filter I've seen so far. They do stand out though. The mesh is quite a striking white, so they'll be pretty obvious on a black case: that said, you'll have almost zero dust getting past them, and they do look good, considering they're dust filters. Aesthetics are great, but keeping your system dust free is, in my opinion, far more important. I definitely recommend one of these per input fan in *any* system.Couldn't be easier to clean too!
by S Conroy
Excellent bit of kit, fits over silicone fan plugs no problem, had them in for 30 mins and i can already see the dust buildup on them, good value for money
seem to be working very well
Bought two of these for two intake fans on the side of my case that I think were letting a lot of dust in. Only a 4 because they do look quiet different from the picture, the mesh is actually white so they do really standout on the side of the case and tbh I think my case looked slightly better without them.Still they seem to work incredibly well as, I tried blowing through them before I installed them and the air hit my hand unimpeded. I assumed they probably would not stop much dust. But already a large amount of dust has built up on the bottom one ... looks like I will be cleaning them alot but at least it means they are working well.I think it is a 3 for aesthetics and a 5 for performance which averages out at 4 stars.Still all in all definately worth the money even more so if the intake fan is out sight.