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Black 140 mm magnetic fan filter with ultra-fine mesh frame

Silverstone Technology

Silverstone Technology FF143B 140mm Ultra Fine Magnetic Fan Filter Black

SKU CH-30SH-MEJCA

Magnetic 140 mm dust filter with ultra-fine mesh for easy case installation

  • TypeATX Mid Tower
  • Magnetic frame allows tool-free attachment to 140mm vents
  • Ultra-fine mesh blocks fine dust while maintaining airflow
  • Black plastic construction blends with dark case interiors
  • Designed for standard 140mm fan or vent openings
  • Model FF143B fits most 140mm mounting patterns

Magnetic filter for 140mm vents

The Silverstone FF143B is a magnetic dust filter sized for standard 140mm case fans or ventilation openings. Its ultra-fine mesh blocks fine particulates while allowing air to pass through. The flexible frame and integrated magnets let it snap onto steel chassis panels without screws or tools. It is a simple add-on for builders who want cleaner internals.

Suited for positive-pressure builds.

This filter works best in systems that run slight positive pressure so dust settles on the mesh instead of slipping through gaps. It suits owners of mid-tower ATX cases with 140mm intake or exhaust locations. Builders running dense radiator stacks or very restrictive front panels should look elsewhere because the fine mesh adds measurable airflow resistance. Users with aluminium or plastic fan mounts cannot use the magnetic attachment.

Snap-on install; watch for mesh sag

Installation takes seconds: align the filter over the fan opening and let the magnets grab the steel frame. No screws or clips are required. The most common issue is the flexible mesh bowing inward on larger vents, which can contact spinning fan blades if the filter is not seated flat. Ensure the magnetic strips sit on bare metal; paint thickness or rubber gaskets can weaken the hold. Clean the filter periodically by rinsing or vacuuming to maintain airflow.

Punti di forza

  • Magnetic frame allows tool-free attachment to 140mm vents
  • Ultra-fine mesh blocks fine dust while maintaining airflow
  • Black plastic construction blends with dark case interiors
  • Designed for standard 140mm fan or vent openings
  • Model FF143B fits most 140mm mounting patterns

Caratteristiche tecniche

TypeATX Mid Tower

Domande su questo articolo

What fan size does the FF143B magnetic filter fit?

The filter is designed for 140mm fans or vent openings, so you need a case with a matching 140mm mounting area.

Will the magnetic frame hold securely on an older steel case panel?

Yes, the magnetised frame attaches directly to any ferromagnetic steel panel around a 140mm vent without screws.

How can I confirm the ultra-fine mesh is actually stopping dust after I install it?

Run the system for a week, then inspect the filter surface; a visible layer of fine dust on the outside of the mesh shows it is capturing particles.

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