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Help CenterPolyester Flange-clamp Air Filter With 0.5 Micron HEPA Grade, 48x48 Inch Panel, 2000 CFM Capacity
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As a leading manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory is proud to present our Polyester Flange-Clamp Air Filter with 0.5 micron HEPA grade, designed for demanding air purification applications. With an annual export value of US$5M–10M and a global reach spanning North America, Europe, Southeast Asia, and beyond, we deliver reliable filtration solutions that meet the needs of commercial and industrial clients. This 48x48 inch panel filter offers a high 2000 CFM airflow capacity while capturing airborne particles as small as 0.5 microns, making it ideal for HVAC systems, cleanrooms, data centers, and pharmaceutical facilities.
Our flange-clamp design ensures quick and secure installation into existing filter frames without the need for extra tools. The polyester media is engineered for low resistance, long service life, and consistent performance under varying airflow conditions. Every filter is manufactured in our Hengshui, Hebei facility with strict quality control procedures, ensuring you receive a product that balances efficiency, durability, and cost-effectiveness.
Key Features & Benefits
- HEPA-grade filtration (0.5 micron): Captures dust, pollen, mold spores, bacteria, and other fine particulates, improving indoor air quality.
- High airflow capacity (2000 CFM): Suitable for large air handling units and high-velocity systems, reducing energy consumption due to low pressure drop.
- Flange-clamp frame: Robust metal or plastic flange with integrated clamp eliminates air bypass and simplifies replacement.
- Polyester media: Resistant to moisture, mold, and chemicals; maintains structural integrity even in humid environments.
- Customizable thickness: Available in 1", 2", 4", or other thicknesses upon request to fit your housing.
- Easy maintenance: Disposable design reduces cleaning labor; recommended replacement interval based on pressure drop (typically 6–12 months).
- Global shipping: We export from Tianjin, Qingdao, Shanghai, and Foshan ports, with efficient logistics to major markets worldwide.
Technical Specifications
| Parameter | Value |
| Filter Media | Polyester non-woven (pleated) |
| Frame Material | Galvanized steel / aluminum / plastic (optional) |
| Panel Size | 48 × 48 inches (nominal) |
| Thickness | 1", 2", 4" (customizable) |
| Filtration Efficiency | >99% for particles ≥0.5 micron (HEPA grade) |
| Rated Airflow | 2000 CFM (at 0.5 in w.g. initial resistance) |
| Maximum Temperature | 120°F (49°C) continuous; 150°F (66°C) intermittent |
| Relative Humidity | Up to 95% non-condensing |
The polyester pleated media is designed to maximize surface area while minimizing airflow resistance. This translates to lower energy costs for your HVAC system and extended filter life compared to standard fiberglass filters. The flange-clamp construction ensures a positive seal against the filter frame, preventing unfiltered air from bypassing the media—a critical feature for cleanroom and hospital applications.
Our factory has been producing wire mesh products and air filters for over two decades, serving clients in North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and East Asia. With exports valued at US$5–10 million annually, we have established a reputation for reliability, competitive pricing, and on-time delivery. We are located in Hengshui, Hebei, China, and ship from multiple ports to reduce logistics costs.
Why choose Boli? We offer customizable options (frame material, thickness, media type) to meet your specific requirements. Our experienced team provides technical support and sample service. Whether you need a single filter for a critical application or bulk orders for a large project, we are committed to delivering consistent quality. Contact us today to request a quote or discuss your filtration needs.
Frequently Asked Questions
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What is the expected lifespan of this filter?
The service life depends on operating conditions and dust load. Typically, for standard HVAC applications, replacement is recommended every 6–12 months when the pressure drop exceeds the initial value by 1–2 in w.g. Regular monitoring of differential pressure is advised. -
Can I use this filter in a washable/reusable manner?
This is a disposable filter. The polyester media is not designed for washing. For washable options, please contact us for alternative products. -
Is the filter suitable for high-temperature environments?
The standard version withstands continuous temperatures up to 120°F (49°C). For higher temperatures (up to 200°F), we can supply specialized media upon request. -
Does the flange-clamp design fit all standard filter frames?
The flange-clamp is designed to fit most standard 48×48 inch holding frames. We recommend measuring your existing frame depth to ensure compatibility. Custom dimensions are available. -
What is the initial pressure drop at 2000 CFM?
The typical initial resistance is approximately 0.6 in w.g. (water gauge) for a 2-inch thick media. Values may vary slightly with thickness and media density. -
Can you provide samples for testing?
Yes, we offer sample filters for evaluation. Please contact our sales team with your requirements. Sample costs may apply for smaller quantities. -
What certifications does your factory hold?
While we follow strict internal quality control, we do not claim specific third-party certifications unless listed on our product documentation. We can provide test reports upon request. -
How should I store the filters before use?
Store in a cool, dry place away from direct sunlight and moisture. Keep the original packaging intact to prevent contamination.
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