1Fine pore size can filter fine dust, effectively block dust and keep cabinet clean. 2Ventilation rate of FF filter is as high as 65%, unhindered wind flows, and heat dissipation is far better than general filter. 3Design of reserved screw holes allows nonferrous chassis to be easily installed, and can be tightly attached to slightly curved surface, and good dustproof effect. 4Nylon material, strong and tough characteristics, strong compression resistance is better than other plastic mesh. 5Easy to install, clean and maintain, and effectively isolate dust and dirt.