Summary: This is a fan Filter for 120mm fan.It does very well and it looks very nice.keeps the dust from being pulled in by the intake fans on my computer.
Pros: It is a nice little filter that bolts to your 120 mm fan.
Cons: Nothing really. Just have your filter on the outside of your case if possible (Tacky I know.. but functional) so that you can clean it from time to time.
Summary: Its a filter for your 120mm fan. This is plastic so be aware of that fact. The filter does its job and keeps me from having to worry about what my computer will look like...
Summary: I have a Antec 300 case with a side vent. I put a fan in place there to draw in cooler air and keep things cool but I was always afraid of dust build up.