Description: brand new and high quality. Feature: Made of high-quality PVC material, elastic, good resilience and exquisite workmanship. Convenient magnetic frame design for easy installation. Suitable for the home computer chassis fan dust, speaker grilles and a variety of electrical and electronic products speakers dust for protection. Help to keep your PC and PC components clean, minimize the noise from the fan and extend the life-span of your fan. Practical and useful computer accessory, can protect you computer from overheating, Can be helpful in keeping your computer components clean. Magnetic frame just for iron and steel metal for case. For aluminum and plastic for case, please use screws to hold on. Dust Filter only, other accessories demo in the picture is not included Specifications: Item Type: Dust Filter Material: PVC Size: 120+120mm/4.7+4.7in, 140+140mm/5.5+5.5in(Optional) Color: Black Suitable for: PC Computer Fan Chassis Quantity: 1 Pc Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 1-3mm 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 Package Includes: 1 x Dust Filter