PATIKIL 120mm Fan Filter Grills with Screws, 4 Pack Aluminum Frame Stainless Steel Mesh Dustproof Cover for Computer Case, Black

Size: 120 x 120 x 1.7 mm / 4.72 x 4.72 x 0.07 inch (L*W*T); Hole Distance: 105 x 148 mm / 4.13 x 5.83 inch (Parallel*Diagonal); Screw Hole Diameter: 4.4 mm / 0.17 inch Advantage: 1. Featuring stainless steel mesh and aluminum frame, it is extremely durable and strong, helping to keep the computer's internal components free from dust and protect you computer from overheating; 2. Easy to install and disassemble, can be cleaned with water after a long time. Instruction: Fix the fan filter grills to the fan, then fix it with screws. Application: The fan filter can prevent debris such as hair from entering the fan system. Suitable for the cooling fan of computer or other appliances. Note: Please measure your fan size and select a suitable grill guard.