uxcell 2 Pcs Dustproof Dust Filter Guard Grill Cover for 50mm PC Case Fan Product Name : DustproofFan Filter;Material : Plastic Fit for : 50mm Fan;Total Size : 5.4 x 5.4cm / 5.2" x 5.2"(L*W) Color : Black Weight : 18g Package Content : 2 xDustproofFanFilter