DEMCiflex 9 piece filter kit for the Phanteks Enthoo Primo case. Computer air filters are perfect for helping to keep your PC dust-free. All filters features magnetic adhesion for easy removal and cleaning of the re-usable, plastic filter. This nine piece set consists of 1x front, 1x small rear, 2x bottom, 1x bottom rear, 2x sides, 1x top rear and 1x top.