Dust filter DEMCiflex DF0017 for PC cases, round 151 mm diameter, black

DEMCiflex DF0017 is a round dust filter with a 151 mm diameter and black mesh, designed to reduce dust ingress in PC cases. The single-piece filter is intended for use with fan and vent openings of corresponding size, commonly compatible with standard 140 mm fan mounts and similar vents. It provides a simple barrier to airborne particles while maintaining airflow for cooling components inside desktop systems and custom builds.

Advantages

The mesh material captures dust without significantly obstructing airflow, helping to maintain cooling efficiency. Its round form factor and 151 mm diameter make it suitable for a variety of chassis openings and fan locations. The black finish integrates unobtrusively with most case interiors and fan assemblies. Supplied as a single unit, it is easy to install and replace when cleaning is required.

Suitable for (tasks / use cases)

• Filtering intake air for PC case fans and vents
• Protecting internal components from dust buildup in desktop systems
• Use in custom cooling setups where round 151 mm filters are required
• Replacement of worn or missing fan filters on compatible chassis

Key specifications

• Shape: Round
• Outer diameter: 151 mm
• Color: Black mesh
• Quantity: Single piece
• Compatibility: Designed for fan/vent openings of corresponding diameter, fits standard 140 mm fan mounts and similar vents

How to use

Place the filter over the fan or vent opening with the mesh facing the incoming airflow, aligning it to the mounting points or trim of the chassis opening. If the chassis opening is slightly smaller or larger, ensure the filter is seated securely or use appropriate mounting hardware or adhesive options compatible with the case materials. For non-ferrous surfaces such as aluminium or acrylic, select mounting methods that do not rely on magnetic attachment. Remove the filter periodically and clean it by gently brushing or using compressed air to restore airflow and filtration performance.

Recommendations

Check the actual mounting diameter on your case or fan to confirm fit before installation. Clean the filter regularly depending on the environment—more frequently in dusty locations—to maintain optimal cooling performance and prevent dust accumulation on components.