Feature: 1. Fine pore size can filter fine dust, effectively block dust and keep cabinet clean. 2. Ventilation rate of FF filter is as high as 65percentage, unhindered wind flows, and heat dissipation is far better than general filter. 3. Design of reserved screw holes allows non‑ferrous chassis to be easily installed, and can be tightly attached to slightly curved surface, and good dustproof effect. 4. Nylon material, strong and tough characteristics, strong compression resistance is better than other plastic mesh. 5. Easy to install, clean and maintain, and effectively isolate dust and dirt. Specification: Condition: 100percentage Brand New Item Type: PC Cooler Fan Filter Size (Length x Width x Thickness): Approx. 120 x 120 x 1.7mm4.7 x 4.7 x 0.06in Main Material: Nylon Package List: 5 x PC Cooler Fan Filters