2 Pcs Dustproof Dust Filter Guard Grill Cover for 40mm PC Case Fan Product Name : DustproofFan Filter;Material : Plastic Fit for : 40mm Fan;Total Size : 4.4 x 4.4cm / 1.7" x 1.7"(L*W) Color : Black Weight : 11g Package Content : 2 xDustproofFanFilter