LIAN LI Lancool 216RW MESH Front Panel with 3 PWM Fans, High Airflow ARGB Mesh, and USB Type-C: White A popular case with all-around mesh panels for the best airflow is the LANCOOL 216. Its rear panel is modular, allowing it to be optimized for either water or air cooling. To maximize airflow, it has two 160mm and one 140mm PWM fan pre-installed as well as a creative rear PCIe fan bracket.