Computer PC Fan Filter Aluminum Mesh Dust Guard Silver Tone 120mm x 120mm PC, Personal Computer Product Name : PC Fan Filter;Fit for : 12cm PC Case Fan Main Material : Aluminum;Color : Silver Tone Size(Approx.) : 120 x 120 x 1mm / 4.7 x 4.7 x 0.039 (L*W*T);Mount Hole Dia. : 5mm / 0.2 Net Weight : 20g Package Contain : 1 x PC Fan Filter