1、FINE HOLES: It has very fine holes, which can effectively filter fine dust and block the dust from entering the PC case, keeping the PC case clean and ensuring the long term use of the equipment. 2、GOOD VENTILATION: Superior to ordinary filters, it has up to 65% ventilation rate, which makes the airflow smoothly and keeps the equipment running continuously and efficiently. 3、GOOD HEAT DISSIPATION: This filter cover not only effectively avoids dust intrusion, but also has excellent heat dissipation effect, which effectively prolongs the service life of the equipment. 4、STRONG PVC MATERIAL: This PC case dust filter cover is made of strong PVC material, which has excellent pressure resistance and is more reliable than other plastic mesh. 5、MAGNETIC DESIGN: With magnetic design, it is easy to install on the power supply and fan vents of the PC case. Users can install it quickly and easily, convenient and time saving.