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Combined High Efficiency Air Filter
What Is A Combined High Efficiency Air Filter?
A: A combined high efficiency air filter is a high-performance purification device with a modular design, integrating high-quality fiberglass filter paper and durable structural materials. It delivers exceptional filtration efficiency, large air volume handling, and uniform airflow distribution, making it ideal for terminal filtration in air conditioning units and high-air-volume purification equipment.

Performance and Characteristics
Core Advantages
High Efficiency & Large Air Volume: Achieves H14 filtration efficiency (≥99.995% at 0.3μm, counting method) while handling air volumes up to 4000 m³/h, ensuring stringent air cleanliness standards.
Low Resistance & Uniform Wind Speed: The modular structure ensures minimal initial resistance (≤250Pa) and consistent wind speed distribution, optimizing energy efficiency and purification uniformity.
Durable & Flame-Retardant: Constructed with high-quality fiberglass filter paper and flame-retardant materials, it offers strong fire resistance and long service life, suitable for demanding industrial environments.
Easy Installation & Low Costs: Designed for convenient setup, reducing labor expenses; its robust construction also lowers long-term operational and maintenance costs.
Function & Application
It is widely used for terminal filtration in air conditioning units and various high-air-volume air purification equipment across commercial and industrial sectors. It effectively purifies air to meet strict cleanliness requirements, protecting downstream processes and equipment in environments like clean rooms, electronics manufacturing, and pharmaceutical production.

Model, Size and Technical Parameters
| Filter model | Overall dimensions (mm) | Rated air flow (m³/h) | Initial resistance (Pa) | Filter area (m²) | Efficiency (%) (at 0.3μm) |
|---|---|---|---|---|---|
| HZW-5V | 610×610×292 | 4000 | ≤250Pa | 40 | H14 |
| HZW-5V | 592×592×292 | 3800 | ≤250Pa | 38 | H14 |
| HZW-3V | 305×610×292 | 1900 | ≤250Pa | 14 | H14 |
Customized product display
OEM, OEM Production services. Independent R&D team, one-stop solution for cleanroom projects.

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