These filters are custom made to fit the vents on a 900D case. It can be ordered as a kit or as individual filters, depending on your setup. To see individual filters, please click on the Obsidian 900D option on the side menu. For more illustrations of this filter, click on the specs tab.
Please send us your photos of DEMCiflex filters fitted to your case to be uploaded here. You can send it to firstname.lastname@example.org