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Patented bag design High dust holding capacity and long service life Ultrasonic seamless fitting High-quality synthetic man-made fibers Stable structure and reliable performance |  |
| Outer frame | Aluminum frame or galvanized frame | ||||||||||||||||||||||||||
| Filter media | Man-made fiber | ||||||||||||||||||||||||||
| Filtration efficiency | G3/G4/M5(EN779) | ||||||||||||||||||||||||||
| Fire rating | Undergoing UL900 certification | ||||||||||||||||||||||||||
| Continuous operating temperature | ≤70℃ | ||||||||||||||||||||||||||
| Suggested final resistance | ≤250Pa | ||||||||||||||||||||||||||
| Main applications | Pre-filtration of ventilation and air conditioning systems for commercial and industrial use | ||||||||||||||||||||||||||
| Bag depth (regular) | 305/381/534/610 mm (customizable bag depth) | ||||||||||||||||||||||||||
| Bag number | 3P/4P/5P/6P/8P/10P | ||||||||||||||||||||||||||
Designed with a patented bag structure and high-quality synthetic man-made fibers, this filter delivers exceptional dust holding capacity and a prolonged service life, laying a solid foundation for efficient air purification. It adheres to EN779 standards with filtration efficiency grades G3, G4, and M5, and features ultrasonic seamless fitting for a stable structure and reliable performance. Compatible with aluminum or galvanized outer frames, it operates safely at continuous temperatures up to 70℃ and maintains optimal performance with a suggested final resistance of ≤250Pa, making it a versatile choice for diverse air treatment needs.
For office buildings, shopping malls, and hotels, where consistent air quality and system durability are critical, this filter effectively captures large dust particles, pollen, and debris. By preventing these contaminants from entering downstream HVAC components, it reduces maintenance frequency, extends the lifespan of coils and fans, and ensures a comfortable indoor environment for occupants. Its customizable bag depth (305/381/534/610mm) and multiple bag number options (3P/4P/5P/6P/8P/10P) allow seamless integration with various HVAC system sizes.
In manufacturing plants, warehouses, and industrial facilities, the filter tackles high dust loads generated by production processes. It protects sensitive equipment (such as precision machinery and electronic devices) from dust accumulation, minimizing downtime and operational losses. The galvanized or aluminum frame options offer corrosion resistance, adapting to harsh industrial environments, while the high dust holding capacity reduces filter replacement frequency, lowering operational costs.
For pharmaceutical factories and healthcare institutions requiring strict air quality control, the filter serves as a critical pre-filtration step before high-efficiency filters. It removes coarse pollutants, reducing the burden on HEPA filters and ensuring compliance with regulatory standards. The ultrasonic seamless fitting prevents air leakage, maintaining the integrity of the cleanroom air supply system.
Patented bag design enhances dust holding capacity, extending service life and reducing replacement costs.
Ultrasonic seamless fitting ensures airtightness, preventing unfiltered air from bypassing the filter media.
High-quality synthetic man-made fibers deliver stable filtration efficiency across G3/G4/M5 grades, meeting EN779 standards.
Customizable bag depth and number, plus aluminum/galvanized frame options, enable tailored solutions for diverse system requirements.
Undergoing UL900 fire rating certification, ensuring safety in high-temperature or fire-prone environments.
Our professional team provides end-to-end support from selection to installation and maintenance. We offer personalized filter sizing based on your HVAC system parameters, detailed installation guides, and on-site technical assistance. Additionally, we provide regular maintenance reminders and filter replacement services to ensure continuous performance. Customization services are available for non-standard dimensions, bag depths, or sealing gasket requirements (EPDM/EVA/Integrated gaskets), and we supply comprehensive product documentation, including test reports and certification records, to meet regulatory compliance needs.
A1: The replacement cycle depends on operating conditions, including dust concentration and air volume. Typically, it is recommended to replace the filter when the resistance reaches 250Pa (suggested final resistance), which usually ranges from 3 to 6 months in commercial settings and 1 to 3 months in high-dust industrial environments. Regular resistance monitoring is advised for optimal timing.
A2: Yes, we offer full customization for bag depth (beyond the standard 305/381/534/610mm) and dimensions (with dimensional tolerances of ±2mm for W/H, ±1mm for D, and ±2mm for diagonal). We also provide tailored frame materials and sealing gasket options to match your specific system requirements.
A3: G3 is ideal for general pre-filtration in low-dust environments (e.g., offices); G4 is recommended for medium-dust settings (e.g., retail stores, light industry); M5 is suitable for high-dust industrial applications or as pre-filtration for HEPA filters in healthcare/pharmaceutical facilities. Our team can help select the right grade based on your air quality goals and system configuration.
Dimensions
Initial resistance - airspeed relationship graph
Naming Rules
Drawing
