3mm Fine-Pore Sponge Dustproof Filter – PC, Server & Fish Tank
3mm Fine-Pore Sponge Dustproof Filter – PC, Server & Fish Tank
Keep Dust Out — Protect Your Equipment & Aquarium
The OUYUANSU 3mm Thickened Fine-Pore Sponge Dustproof Filter is a versatile, high-density foam filter sheet designed to block dust, debris, and airborne particles from entering computer cases, server racks, and fish tank filtration systems. With its uniform fine-pore structure and generous 3mm thickness, it delivers superior filtration efficiency while maintaining strong airflow or water flow.
Why Choose This Sponge Filter?
- Fine-Pore Structure: Dense, uniform cells trap dust, hair, and fine particles efficiently without significantly restricting airflow.
- 3mm Thickened Design: Extra thickness compared to standard filters means longer service life and more effective particle capture.
- Multi-Application Use: Perfect for PC computer cases, server rack intake vents, and aquarium/fish tank pre-filtration to keep components and water clean.
- Flexible & Easy to Cut: The soft foam material can be easily trimmed with scissors to fit any custom vent size or panel shape.
- Reusable & Washable: Simply rinse clean, allow to dry, and reinstall — reducing waste and saving money over time.
- No Adhesives or Batteries Required: Straightforward installation; fits snugly against vent openings or inside filter housings.
- No High-Concern Chemicals: Made without hazardous substances, safe for use around electronics and aquatic environments.
Ideal For
- Desktop & gaming PC case dust filters
- Server rack and network equipment ventilation
- Fish tank and aquarium mechanical pre-filtration
- General HVAC intake and equipment venting applications
Specifications
- Material: Fine-pore polyurethane sponge foam
- Thickness: 3mm
- Type: Dust Cover / Sponge Filter Sheet
- Battery Included: No
- High-Concern Chemicals: None
- Country of Origin: Made in Mainland China
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Frequently Asked Questions
Q: Can this sponge dustproof filter be cut to fit custom vent sizes?
A: Yes! The flexible fine-pore sponge filter sheet can be easily cut with household scissors to match any custom vent, panel, or intake opening size — making it ideal for a wide variety of PC case, server rack, and fish tank applications.
Q: Is the 3mm sponge filter washable and reusable?
A: Absolutely. The sponge filter is fully washable — simply rinse it under warm water to remove accumulated dust and debris, squeeze gently, let it air dry completely, and reinstall. Regular cleaning extends its effective service life and maintains optimal airflow.
Q: Is this filter safe to use in a fish tank or aquarium?
A: Yes. The filter contains no high-concern chemicals, making it safe for use as a mechanical pre-filter in aquarium and fish tank filtration setups. It effectively captures fine particulates from the water before they reach your main filter media.
Q: How thick is this sponge filter compared to standard options?
A: This filter is 3mm thick, which is notably thicker than many standard dust filter sheets. The added thickness improves particle-trapping capacity and extends the time between cleanings, giving you better protection for your equipment.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.