Description: Brand new and high quality Feature: High-quality mesh dust filter for PC Case Fan. Made of high-quality material, it has good flame retardant properties, high density, and excellent stability. Convenient magnetic frame design for easy installation. Designed with holes, it can protect your computer from overheating and help keep your computer components clean. Suitable for home computer chassis fan dust, speaker grilles, and a variety of electrical and electronic products speaker dust protection. Dust filter only, other accessories demo in the picture is not included! Specifications: Item Type: Dust Filter Material: PVC, Magnet Size: 70x70mm/2.7x2.7inch, 80x80mm/3.1x3.1inch, 90x90mm/3.5x3.5inch, 100x100mm/3.9x3.9inch, 120x120mm/4.7x4.7inch, 145x5.5cm/5.7x2.1inch (optional) Color: Black Quantity: 1 Pc Note: No retail package. Transition: 1cm = 10mm = 0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!