The 20 pack of 120mm finger grills, featuring 120mm fan filters and 80 screws, is a must-have for those seeking to upgrade their ventilation solutions. These metal grill guards are designed to provide optimal airflow while protecting sensitive equipment from damage by ensuring a secure fit and ventilation space. The 120mm fan filters ensure efficient air flow, while the 80 screws make installation a breeze. With 20 pre-made units, you can stock up for future projects, easily replacing filters and guards to maintain a clean and efficient air flow. The compact, durable design makes them an ideal addition to any ventilation system, from DIY projects to commercial applications. Upgrade your home or office today with these convenient and effective finger grills!