Dust Filter DEMCiflex 280 x 140 mm, black/black, replacement PC fan/filter mesh

DEMCiflex dust filter, size 280 x 140 mm in black-on-black finish, is a rectangular replacement mesh designed for PC cases and ventilation intakes that require basic particulate protection while maintaining airflow. The filter is intended as a direct substitute for worn or missing rectangular filters and can be used as part of routine maintenance or when upgrading dust management in desktop systems and other enclosures with compatible mounting space.

Advantages

The DEMCiflex filter combines a low-profile mesh with a durable frame to balance air permeability and dust capture. Its dimensions fit a variety of standard rectangular intake positions, and the black-on-black appearance integrates unobtrusively into most builds. The washable and replaceable nature of the mesh simplifies upkeep and reduces the need for frequent component cleaning inside the enclosure.

Suitable for

• Desktop PC case intake or exhaust vents with a 280 x 140 mm opening
• Custom enclosures or ventilation panels requiring a rectangular dust mesh
• Maintenance or replacement of worn filters in home or office equipment
• Systems where airflow must be preserved while limiting dust ingress

Key specifications

• External dimensions: 280 x 140 mm (rectangular)
• Color: black frame with black mesh
• Construction: mesh filter mounted in a low-profile supporting frame
• Filtration level: basic particulate capture suitable for general dust protection
• Maintenance: washable and intended for periodic replacement

How to use

Measure the intended mounting opening to confirm compatibility with 280 x 140 mm external dimensions before installation. Remove the old filter or clear the mounting area, then align the DEMCiflex mesh with the intake frame and secure according to the case or panel’s mounting method (clips, screws, magnetic strips or adhesive depending on the enclosure). After installation, verify unobstructed fan operation and airflow. Periodically inspect the mesh and clean by rinsing with water and letting it dry completely before reinstalling; replace when the mesh or frame shows signs of wear or damage.

Usage recommendations

For best results, clean the filter every few months or more frequently in dusty environments. Allow the filter to dry fully after washing to avoid moisture contact with internal components, and avoid using aggressive chemicals or high-pressure washing that could deform the mesh or frame.