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Help CenterCustom Industrial Air Filter Bags - 5 Pocket Coarse Dust Filter G2 G4 M5 M6 F7 F8 F9
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998. Our Custom Industrial Air Filter Bags - 5 Pocket Coarse Dust Filter are designed to meet the highest standards of air filtration across various industries. With over two decades of expertise and an annual export value of US$5-10 million, we deliver reliable, high-performance filtration solutions tailored to your needs. These filter bags cover a wide range of filtration classes from G2 to F9, ensuring efficient removal of coarse dust particles in HVAC systems, industrial ventilation, and dust collection applications.
Our 5-pocket design maximizes filter surface area, providing extended service life and lower pressure drop. Each pocket is precision-stitched to maintain shape and filtration efficiency. The materials used—polyester, polypropylene, or glass fiber—are selected for their durability and resistance to moisture, chemicals, and high temperatures. Whether you need standard sizes or custom dimensions, we offer flexible customization options including frame type (wire or plastic), color, and pocket configuration.
| Filter Class | Efficiency (EN779) | Typical Application |
|---|---|---|
| G2 | ≥65% arrestance on 3-10µm particles | Pre-filtration, coarse dust removal |
| G4 | ≥90% arrestance on 3-10µm particles | General ventilation, pre-filters |
| M5 | ≥40% efficiency on 0.4-1µm particles | Fine dust, HVAC systems |
| M6 | ≥60% efficiency on 0.4-1µm particles | High-efficiency pre-filtration |
| F7 | ≥80% efficiency on 0.4-1µm particles | Fine dust, clean rooms, hospitals |
| F8 | ≥90% efficiency on 0.4-1µm particles | High-grade filtration, sensitive environments |
| F9 | ≥95% efficiency on 0.4-1µm particles | Ultra-fine filtration, pharmaceutical |
Key Features & Benefits:
- Multigrade Flexibility: One bag design covers G2 to F9, allowing easy upgrade without changing housing.
- 5-Pocket Configuration: Increases filtration area by up to 30% compared to 3-pocket bags, reducing pressure drop and extending life.
- Durable Construction: Reinforced stitching and sturdy frame options (wire or plastic) ensure long-term performance under high airflow.
- Customizable Dimensions: Available in any length, width, and pocket depth to fit your existing system.
- Wide Material Selection: Polyester for general use, polypropylene for chemical resistance, glass fiber for high temperature (up to 250°C).
- Easy Installation: Standard header design compatible with most filter housings; quick retrofit.
Technical Specifications (Typical):
| Parameter | Value |
|---|---|
| Operating Temperature | Up to 100°C (polyester), 250°C (glass fiber) |
| Relative Humidity | ≤100% |
| Recommended Face Velocity | 2.5 m/s (for G2-G4), 1.5 m/s (for M5-M6), 1.0 m/s (for F7-F9) |
| Initial Pressure Drop | 30-80 Pa (varies by class) |
| Frame Material | Galvanized steel, stainless steel, or plastic |
Our filter bags undergo rigorous quality control to ensure consistent performance. With Anping County Boli Hardware Wiremesh Products Factory, you benefit from 25+ years of manufacturing heritage, serving clients across North America, South America, Europe, Asia, Africa, and Oceania. We ship from major ports like Tianjin, Qingdao, Shanghai, and Foshan, offering flexible logistics. Our annual export volume of US$5-10 million reflects the trust placed in us by global buyers.
Why Choose Us?
- Experienced Manufacturer: Since 1998, dedicated to wire mesh and filtration products.
- Global Reach: Exported to over 15 markets worldwide, with proven reliability.
- Customization Capability: We can tailor every aspect to your precise requirements.
- Competitive Pricing: Direct factory pricing without middlemen.
Contact us today for a quote or technical consultation. Let our expertise help you achieve cleaner air and lower operating costs.
Frequently Asked Questions (FAQ)
- What materials are used in these filter bags? We offer polyester, polypropylene, and glass fiber options. Polyester is standard for most applications; polypropylene resists chemicals; glass fiber handles high temperatures up to 250°C. Please specify your requirements.
- Can I get custom sizes? Yes, we can produce any length, width, and pocket depth. Just provide your housing dimensions, and we will recommend the best fit.
- What is the difference between G2, G4, M5, etc.? These are filter classes per EN779. G2/G4 are coarse filters for larger particles; M5/M6 are medium efficiency; F7/F8/F9 are high efficiency for fine dust. The table above shows typical efficiencies.
- How do I install these bags? They are designed with a header that fits into standard filter frames. Slide the bag into the frame and secure with clips or bolts. Installation instructions are provided.
- Do you have any certifications? Our products comply with international standards. We can provide test reports upon request. Certifications like ISO are available for discussion.
- What is the minimum order quantity (MOQ)? MOQ is typically 50 pieces, but we can be flexible for trial orders. Contact us for details.
- What is the lead time? For standard sizes, 10-15 days. For custom orders, 15-25 days depending on complexity. We can expedite for urgent projects.
- Can I get a sample before bulk order? Yes, samples are available. You pay for the sample and shipping; we refund the sample cost on bulk orders. Contact our sales team to arrange.
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