This is a practical -proof net for computer case fan coolers made of PVC. It has a reasonable design and practical functions. It can effectively help you to prevent and has an excellent protective effect to make your computer case The fan cooler can work efficiently and effectively extend its service life. This is a very good computer case fan accessory that will bring you a good experience. Features - Color: Black. - Material: PVC. - Size: 12.00X12.00X0.10cm/4.72X4.72X0.04inch. - Mainly made of lightweight and practical PVC material, safe and gentle, durable and practical. - Fine workmanship, fine mesh, can play an excellent protective effect, easily -proof. - The delicate grill allows the wind to pass through while blocking and dirt. - Easy to install, simple and practical, to provide you with a simpler way to prevent . - The product has good texture, flexible and practical, and can serve you well. Package list: 12 x filters