The DEMCiflex dust filter set offers an easy upgrade solution for users who want to protect their case from excessive dust buildup. It includes ten dust filters compatible with the Lian Li E-ATX O11 Dynamic XL case, which are placed on the front, back, top, bottom, and side surfaces of the case. Thanks to the magnets on the filter frame, assembly is simple and tool-free. The filters are made of thick and durable polyester fabric, and their mesh allows air to pass through, minimally obstructing airflow inside the case. This impact is reduced as dust accumulates, so the filters should be removed and cleaned periodically. Thanks to the magnetic mounting method, removing the filters is quick and easy.