Fan Filter Media (120mm, 100PPI) is an essential solution for protecting your electronic devices from harmful dust accumulation. Designed for efficiency, this high-quality filter media features a fine 100PPI density that ensures optimal airflow while effectively trapping dust and debris. Ideal for use in cooling fans, ventilation systems, or other electronics, this 120mm filter helps ... https://gardteconline.com/products/fan-filter-media-120mm-100ppi