Product Description: Advantages: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.It is used for dustproofing and protection of household computer chassis fan dust, speaker speaker net cover, and various electrical and electronic products speakers.4.The dust-proof net of the magnetic suction box is directly adsorbed on the metal chassis, and it is more convenient and more economical to disassemble and disassemble.5.Help to keep your PC and PC components clean, minimise the noise from the fan and extend the life-span of your fan. Specifications:Material:PVCColor:BlackSize:8 x 8 x 0.05cm/3.14 x 3.14 x 0.019Inch(LxWxH)Weight:20g Package include:1 x Dust Filter Mesh