Feature: 1. This computer fan dustproof cover is equipped with sponge filter, durable and easy to cleaning 2. Fan dustproof mesh case can protect your computer internal components from damage of dust and debris 3. This fan dust filter case is suitable for fans with a diameter of 12cm, very practical and useful 4. Possess removable front plate, rear plate and middle filter, easy for you to assemble and disassemble 5. The shell is made of high quality plastic material, which is durable, waterproof and light weight Specification: Item Type: Fan Dust Filter Cover Grill Material: Plastic shell Application: Suitable for fans with approx. 12cm / 4.7in diameter Packing: PE bag Size: Approx. 126 x 126 x 10mm / 5 x 5 x 0.4in. Package List: 10 x Fan Dust Filter Cover Grill