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Help CenterPolyester Flange-Clamp Air Filter for Pharmaceutical Cleanroom 5 Micron HEPA Pre-Filter
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer specializing in filtration solutions. With an annual export value of US$5-10 million, we serve global markets including North America, Europe, and Southeast Asia. Our Polyester Flange-Clamp Air Filter is designed specifically for pharmaceutical cleanrooms as a reliable 5 micron HEPA pre-filter. It effectively captures airborne particles, prolongs the life of final HEPA filters, and ensures compliance with strict cleanroom standards. Manufactured in Hengshui, Hebei, China, each filter undergoes rigorous quality checks before shipment from Tianjin or Qingdao ports.
This filter combines high-performance polyester media with a robust flange-clamp frame, offering easy installation and secure sealing. The 5 micron filtration rating makes it ideal for removing dust, lint, pollen, and other coarse particles, protecting downstream equipment and maintaining cleanroom cleanliness. Available in various sizes, it can be customized to fit different HVAC systems and air handling units.
Key Features & Benefits
- High-Efficiency Polyester Media: Low resistance to airflow while capturing 5 micron particles with high efficiency. The media is washable and reusable, reducing replacement costs.
- Flange-Clamp Frame Design: Provides a tight seal to prevent air bypass. The clamp mechanism allows quick installation and removal without tools.
- Pharmaceutical-Grade Cleanliness: Media is non-shedding and resistant to microbial growth, suitable for ISO Class 5-8 cleanrooms.
- Wide Operating Temperature Range: -20°C to 80°C, suitable for most HVAC applications.
- Customizable Dimensions: We can produce filters according to your specific duct or housing dimensions, including non-standard sizes.
- Cost-Effective Pre-Filtration: Extends the life of final HEPA filters by up to 50%, reducing overall maintenance costs.
Technical Specifications
| Filtration Grade | 5 micron (nominal) |
| Media Material | 100% polyester non-woven |
| Frame Material | Galvanized steel / aluminum / plastic (optional) |
| Initial Pressure Drop | ≤ 60 Pa at rated face velocity (2.5 m/s) |
| Recommended Final Pressure Drop | 250 Pa |
| Max Operating Temperature | 80°C (continuous) |
| Relative Humidity | ≤ 100% RH |
| Standard Sizes | 12x24x1", 24x24x1", 20x20x1", etc. (custom sizes available) |
Our filter is designed to meet the demanding requirements of pharmaceutical cleanrooms. The flange-clamp design ensures a tight fit in standard filter housings, minimizing leakage. The 5 micron rating is ideal for capturing most visible dust and larger particles, protecting the final HEPA filter from clogging. This pre-filter configuration is widely used in HVAC systems for cleanrooms, hospitals, laboratories, and food processing facilities.
Why Choose Anping Boli?
With over 25 years of manufacturing experience, we have supplied filtration products to clients across North America, Europe, Southeast Asia, and Africa. Our annual export volume of US$5-10 million reflects the trust global buyers place in our quality. Every filter is produced under strict quality control, and we offer flexible packaging – from individual poly bags to export cartons. We also support custom sizes and OEM branding. Shipments are made from Tianjin, Qingdao, Shanghai, or Foshan ports with reliable logistics partners.
Contact us today for a quote or sample. Our team can help you select the right filter for your cleanroom application. We are committed to providing cost-effective solutions without compromising on performance.
Frequently Asked Questions
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Q: Is this filter a true HEPA filter?
A: No, this is a pre-filter with a 5 micron rating, designed to capture larger particles before the final HEPA filter. It helps extend HEPA filter life. -
Q: What does “5 micron” mean?
A: It means the filter can capture particles as small as 5 micrometers in size (e.g., dust, pollen, mold spores). Smaller particles may pass through. -
Q: Can I use this filter for ISO Class 7 or Class 8 cleanrooms?
A: Yes, it is commonly used as a pre-filter in such cleanrooms. For final filtration, a HEPA filter (e.g., H13 or H14) is required. -
Q: What frame materials are available?
A: We offer galvanized steel, aluminum, or plastic frames. The flange-clamp design is standard; please specify your preference. -
Q: How do I install this filter?
A: The flange-clamp frame allows easy mounting into a standard filter housing. Simply slide the filter into the tracks and secure the clamps. -
Q: What is the typical lifespan?
A: Depending on air quality, it can last 3-6 months before replacement. The media can be cleaned by vacuuming or gentle washing (if reusable option is selected). -
Q: Do you offer custom dimensions?
A: Yes, we can produce any size up to 48x48 inches. Please contact us with your required dimensions. -
Q: What are the payment terms?
A: Typically T/T (30% deposit, balance before shipment) or L/C at sight. We can discuss based on order volume.
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