I. Product Introduction
G4 Bag Filters are medium-efficiency air filters designed for HVAC systems, commercial buildings, and industrial applications. They capture dust, pollen, and larger airborne particles while maintaining low airflow resistance.
G4 Bag Filter is suitable for front filter and air conditioning application field in automobile painting workshop in painting industry, such as: commercial building, warehouse, school, laboratory, electronic, food pharmaceutical, hospital, central air conditioning and other places air conditioning system.
G4 Bag Filter can also be used as the pre-filtration of medium effect air filter, which can reduce the load of medium effect air filter and prolong its service life.
Frame of G4 Bag Filter: Galvanized
Efficiency: G4
Size: Can be customized
Temperature: Maximum 90 degree in Continuous Service
Package: Carton Box and Plywood Outside
Origin: Shenzhen,China
II. Product Features
1. High Filtration Efficiency
2. Low Airflow Resistance & Energy Saving
3. Durable & Long Service Life
4. Moisture & Mold Resistance
5. Versatile Applications
6. Easy Maintenance
III. Product Parameters
| - Filtration Efficiency: ~70-80% on 3-10µm particles (EN 779 G4) Initial Pressure Drop: ≤30 Pa <br>Final Pressure Drop**: ≤150 Pa (recommended replacement) <br> - **Dust Holding Capacity**: 150-300 g/m² <br> - **Standard Sizes**: 592x592mm, 287x592mm (custom sizes available) |
IV. Product Applications
1. Commercial & Institutional HVAC Systems
2. Industrial Air Filtration
3. Cleanroom & Laboratory Pre-Filtration
4. Ventilation & Exhaust Systems
5. Specialized Uses
V. FAQ
Q: How often should G4 filters be replaced?
A: Typically every 3-6 months, depending on air quality and usage.
Q: Are they washable?
A: No, G4 bag filters are disposable (some synthetic versions may allow light cleaning).
Q: Can they capture viruses?
A: No, G4 filters target larger particles; pair with HEPA for sub-micron filtration.
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