I was putting a 140mm fan in the floor of my case to maximize inside pressure through filtered inlets and I knew the wires from the power supply were going to sit on top of this fan so a thin mesh wouldn't be sturdy enough to keep the heavy wire loops out of the fan blades. I knew I needed this type grill - one that's strong enough to be supportive but that also doesn't restrict airflow. To get this for only a buck was great. Too bad my cost for shipping was nearly six bucks; kind of took the good out of the deal. Good product, but kind of costly shipping - in my view higher than the vendor's incurred cost to ship (envelope plus labor plus postage).