Protect your fans and vents from dust while helping maintain quieter, longerlasting operation. These 120 x 120 mm fan filters provide a simple, reliable barrier that keeps debris out of electronics, cooling systems, and speakers. Key benefits Dust protection: Prevents dust buildup on fan blades, heatsinks, and internal components to maintain cooling efficiency. Noise control: Helps reduce noise caused by dust and unbalanced fan blades, contributing to smoother operation. Extends component life: Reduces abrasive dust contact and clogging, which can improve the durability of fans and devices. Versatile use: Functions as a fan filter, speaker grill, or general dust cover for any product that requires a 120 x 120 mm mesh filter. What's included Package contents: 10 x PC fan filters Technical details Filter size (approx.): 120 x 120 x 0.45 mm Mesh hole diameter (approx.): 1 mm Mounting hole diameter (approx.): 5 mm Construction: Fine mesh filter designed for airflow while blocking dust Compatibility and performance Designed for devices that use 120 x 120 mm fan openings. Mounting hole diameter (5 mm) is compatible with typical fan mounting hardware. Mesh diameter (1 mm) balances airflow and filtration for generalpurpose dust protection without significant restriction to cooling performance. Typical use scenarios Desktop PCs and servers: Install on case or fan intakes to reduce dust inside the chassis, helping maintain stable temperatures and quieter operation. Speakers and audio equipment: Use as a speaker grill or protective cover where a dust barrier is needed without blocking sound. Small appliances and electronics: Protect vents on routers, AV gear, power supplies, or other equipment that benefits from filtered airflow. Practical notes Quantity of 10 makes it convenient for multiple fans or replacement spares. Check mounting fit before installation; dimensions and hole sizes are approximate.