Epoxy Resin Support Mesh Inside Air Filter Element With 3-Year Warranty, Factory Direct, Technical Support Available
Product Spotlights
As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Epoxy Resin Support Mesh Inside Air Filter Element — a high-performance filtration solution designed for demanding HVAC and industrial environments. With a 3-year warranty, factory-direct pricing, and dedicated technical support, this product delivers exceptional durability, airflow efficiency, and cost savings. Our epoxy resin support mesh provides superior structural integrity compared to conventional wire frames, ensuring long service life even under high-velocity airflow or frequent cleaning.
Each filter element features a unique internal support mesh made of fiberglass strands coated with corrosion-resistant epoxy resin. This design eliminates the need for metal frames, reducing weight while maintaining shape stability. The filter media is carefully selected to balance dust-holding capacity, pressure drop, and filtration efficiency. Whether you need standard sizes or custom dimensions, our factory-direct model allows us to deliver quickly and cost-effectively.
Key Features & Benefits
- Epoxy Resin Support Mesh: The internal mesh is coated with high-quality epoxy resin, providing excellent resistance to moisture, chemicals, and temperature fluctuations. Unlike bare metal meshes, the coating prevents rust and corrosion, extending the filter life up to 3 years under normal conditions.
- Integrated Support Structure: The mesh is fully embedded inside the filter media, creating a rigid yet flexible framework. This design allows the filter to maintain its shape even when partially clogged, reducing bypass and ensuring consistent filtration.
- High Dust Holding Capacity: The multi-layer synthetic fiber media captures large and small particles efficiently. Typical dust holding capacity ranges from 250 to 500 g/m² depending on filter class, reducing the frequency of replacement.
- Low Airflow Resistance: Optimized media density and pleat geometry keep initial pressure drop below 40 Pa at rated airflow (for G4 class), saving energy on fan operation.
- 3-Year Warranty: We stand behind the quality of our filters. The warranty covers manufacturing defects and premature degradation of the support mesh, giving you peace of mind.
- Factory Direct & Technical Support: Eliminate middlemen and enjoy competitive pricing. Our technical team assists with filter selection, installation guidance, and troubleshooting via email or phone.
- Customizable Options: Available in various thicknesses (1″ to 4″), sizes, and filter media grades (G3, G4, F5). We can also add a gasket or provide media with antimicrobial treatment upon request.
Technical Specifications
| Parameter | Value / Range |
| Filter Media Material | Synthetic polyester / polypropylene (non-woven) |
| Support Mesh Material | Fiberglass + epoxy resin coating |
| Filter Class (EN 779) | G3, G4, F5 (MERV 5–8) |
| Temperature Resistance | -20°C to +80°C |
| Relative Humidity Tolerance | Up to 100% RH |
| Warranty Period | 3 years |
| Standard Sizes | 12×12, 12×24, 20×20, 24×24 (inches) – thickness 1–4 inches |
| Custom Size | Available upon request (MOQ may apply) |
Applications
This filter element is ideal for:
- Central HVAC systems in commercial buildings, hospitals, and schools
- Industrial air handling units and ventilation systems
- Pharmaceutical cleanrooms requiring pre-filtration
- Data centers where high air quality and low pressure drop are critical
- Agricultural ventilation (greenhouses, poultry houses)
Why Choose Boli?
With over 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has built a strong reputation in the wire mesh and filtration industry. Our annual export value exceeds US$5 million, serving markets across North America, South America, Europe, Southeast Asia, Africa, and Oceania. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide.
Our factory-direct model means you get the best price without sacrificing quality. Every filter undergoes rigorous inspection before shipment. We also provide free technical support to help you choose the right filter class and size for your specific application. Whether you need a small trial order or bulk containers, we are ready to assist.
Contact us today for a quote or sample. Experience the reliability of a filter that lasts longer, performs better, and is backed by a 3-year warranty from a manufacturer you can trust.
Frequently Asked Questions (FAQ)
-
Q: What does the 3-year warranty cover?
A: The warranty covers manufacturing defects in the epoxy resin mesh and filter media, such as delamination, mesh corrosion, or frame breakage. It does not cover damage caused by improper installation, extreme operating conditions beyond specifications, or normal wear (clogging). -
Q: How often should I replace this filter element?
A: Replacement frequency depends on dust load and operating hours. Typically, a G4 filter lasts 3–6 months in commercial HVAC systems. Under moderate conditions, the epoxy support mesh may outlast several media changes, but the entire element should be replaced when the final pressure drop reaches 150–200 Pa. -
Q: Can I use this filter in high-humidity environments?
A: Yes. The epoxy coating on the mesh provides excellent moisture resistance. The filter can operate in environments with up to 100% relative humidity without degradation. However, direct water spray or submersion is not recommended. -
Q: Is the filter washable or cleanable?
A: Some G3/G4 grades can be vacuumed or gently washed with water (low pressure) and dried. However, repeated washing may reduce efficiency. We recommend replacing the filter at the end of its service life for best performance. -
Q: What is the minimum order quantity (MOQ) for custom sizes?
A: For custom sizes, MOQ is typically 500 pieces per size. For standard sizes, we can accept smaller quantities (e.g., 50–100 pieces). Please contact us for specific requirements. -
Q: Do you provide samples before bulk order?
A: Yes, samples are available. We can ship standard samples within 3–5 working days. Custom samples may take 7–10 days. The sample cost is refundable for bulk orders. -
Q: How do I choose the correct filter class for my application?
A: For general pre-filtration in HVAC, G4 (MERV 7) is common. For higher air quality (e.g., cleanrooms, hospitals), F5 (MERV 8) is recommended. Our technical support team can advise based on your specific requirements. -
Q: What is the difference between this epoxy mesh filter and a standard metal frame filter?
A: The epoxy resin mesh is lighter, rust-proof, and more flexible. It eliminates the need for a separate metal frame, reducing weight and cost. The mesh also provides better airflow distribution and prevents media collapse.
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