["供参考标题：Metal Dustproof Mesh Dust Filter Net Guard 12cm/9cm/8cm For PC Computer for Case Cooling Fan\r\n\r\nDescription:\r\nWhen the fan in your PC blowing cool air inside a computer for case, it can also take in dust and dirt.\r\nThis mesh helps to keep your PC and PC components clean, minimize the noise from the fan and extend the life-span of your fan.\r\n\r\nFeatures:\r\nbrand new and high quality.\r\nHigh quality aluminum alloy filter with stainless mesh for PC for case fan.\r\nWave-folded Design - Provides larger surface area for dust blocking.\r\nThinner Metal Wires - Allows more air flow to pass through.\r\nAluminum Filter - Super durable and easy cleaning.\r\nAnti-rust - Stainless Mesh to prevent rusting.\r\n\r\nSpecifications:\r\nItem Type: PC for Case Fan Dustproof Filter Net\r\nMaterial: Aluminum Alloy\r\nColor: Silver\r\nSize: (Approx.) \r\n A: 12×12cm/4.72×4.72in\r\n B: 9×9cm/3.54×3.54in\r\n C: 8×8cm/3.15×3.15in\r\nQuantity: 1PC (other accessories demo in the picture is not included)\r\n\r\nNote: \r\n1.Transition: 1cm=10mm=0.39inch\r\n2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n4.No retail package\r\n\r\nPackage includes:\r\n1 X PC for Case Fan Dustproof Filter Net (No Screws Included)"]