Product Overview
Glass Fiber Bag Filter Media is an economical and dependable filtration solution developed for commercial, institutional, and general HVAC applications that require effective particle removal with excellent cost performance. Combining reliable filtration efficiency with affordable operating costs, it is widely used in ventilation systems where consistent air quality is essential.
The media is produced using an advanced wet-laid nonwoven manufacturing process, in which ultra-fine glass fibers of carefully controlled diameters are evenly distributed to form a uniform filtration matrix. This engineered fiber structure delivers an ideal combination of high filtration efficiency and low airflow resistance, ensuring stable performance across a wide range of air handling and ventilation systems.
By incorporating glass fibers with multiple diameter ranges—from submicron fibers to larger support fibers—the media forms a gradient filtration network that removes airborne particles through both surface filtration and depth-loading mechanisms. It is commonly supplied as rolls or precision-cut sheets for fabrication into pocket filters with various bag configurations. To improve durability and extend operational life, a protective synthetic scrim is typically laminated to the upstream side of the media, capturing larger dust particles before they penetrate the fine glass fiber layer and reducing premature loading of the primary filtration media.
EfficiencyGrade (EN779:2012) | M5 | M6 | F7 | F8 | F9 |
Filtration Efficiency @14cm/s，0.4μm | 30±10% | 35±10% | 55±10% | 75±10% | 85±10% |
Pressure Drop @14 cm/s | ≤35Pa | ≤45Pa | ≤70Pa | ≤110Pa | ≤140Pa |
| Basis Weight | 80±5g/㎡ | 80±5g/㎡ | 75±5g/㎡ | 80±5g/㎡ | 80±5g/㎡ |
Thickness @500 Pa | 4.0±1.0mm | 4.0±1.0mm | 3.0±1.0mm | 3.0±1.0mm | 3.0±1.0mm |
Colour (Customizable) | Dark Yellow | Orange | Light Purple | Light Yellow | Light Yellow |
| Width | 695 mm, or customized according to customer requirements. | ||||
Product Features
Glass Fiber Bag Filter Media combines dependable filtration performance with cost-efficient operation, making it an ideal solution for a wide range of commercial HVAC applications. Its key advantages include:
Stable Filtration Performance: The engineered wet-laid glass fiber structure provides consistent particle removal throughout the filter's service life. Available in efficiency grades from **M5 to F9 (EN 779)** and **ePM10 to ePM1 (ISO 16890)**, it effectively captures fine airborne particles down to approximately **0.4 microns**.
Cost-Effective Solution: Offering an excellent balance of filtration efficiency, durability, and affordability, the media is well suited for projects with strict budget requirements.
Durable Construction: The glass fiber matrix delivers reliable mechanical strength, helping the filter maintain its shape and performance under continuous airflow conditions.
High Dust Holding Capacity: Its depth-loading design stores more dust within the media, extending replacement intervals and supporting long-term filtration efficiency.
Excellent Environmental Resistance: Resistant to heat, humidity, and mild chemical exposure, the media maintains stable performance in a variety of HVAC operating environments.
Product Applications
Glass Fiber Bag Filter Media is suitable for a wide range of commercial, institutional, and industrial HVAC systems. Common applications include:
Commercial Buildings: Improves indoor air quality while maintaining energy-efficient HVAC operation for offices and business facilities.
Healthcare Facilities: Helps reduce airborne particulate contaminants, supporting cleaner air in hospitals, clinics, and other medical environments.
Retail and Hospitality: Delivers reliable filtration for shopping malls, hotels, restaurants, and public spaces while keeping operating costs under control.
Schools and Universities: Provides consistent air filtration in classrooms, libraries, and campus buildings to create healthier learning environments.
Industrial Facilities: Ideal for general ventilation and air handling systems in factories and warehouses, offering dependable dust filtration and stable performance under continuous operation.
