Product Introduction

The Bag Glass Fibre Media Medium Filter is a high-performance air filtration device made from ultra-fine glass fiber filter media. It is mainly used in central air conditioning and centralized air supply systems as a medium-efficiency filtration stage.
The filter effectively captures fine airborne particles, protecting downstream filters and the overall HVAC system. Its unique structural design ensures uniform airflow distribution, high dust-holding capacity, and low pressure drop, thereby extending service life and reducing maintenance costs.

Product Specifications

Model	Dimensions (mm)	Airflow / Resistance (m³/h / Pa)	Efficiency Class (EN779)
GFBSM-592×592-6×600-M5	592×592×600	3400 / 75	M5
GFBSM-287×592-3×600-M5	287×592×600	1700 / 75	M5
GFBSM-592×592-6×600-M6	592×592×600	3400 / 90	M6
GFBSM-287×592-3×600-M6	287×592×600	1700 / 90	M6
GFBSM-592×592-6×600-F7	592×592×600	3400 / 105	F7
GFBSM-287×592-3×600-F7	287×592×600	1700 / 105	F7
GFBSM-592×592-6×600-F8	592×592×600	3400 / 140	F8
GFBSM-287×592-3×600-F8	287×592×600	1700 / 140	F8

Note: Custom non-standard sizes are available upon request.

Product Feature

High Filtration Efficiency
Made with ultra-fine glass fiber media, capable of capturing particles ≥0.5 μm, with efficiency ranging from 40% to 95% (F5–F9 grades) and stable long-term performance.

High Dust-Holding Capacity
The bag-type structure significantly increases the filtration area, resulting in high dust-holding capacity, extended replacement intervals, and reduced maintenance costs.

Low Pressure Drop
Optimized structural design ensures low airflow resistance while allowing high air volume throughput, contributing to energy savings.

High Temperature and Humidity Resistance
Glass fiber media withstand continuous operation at 120 °C, with some models rated up to 170 °C, and maintain stable performance even in 100% relative humidity environments.

Long Service Life
The combination of high efficiency and low resistance provides a longer service life-up to twice that of conventional filter media.

Fire-Resistant and Environmentally Friendly
The material is non-flammable and compliant with UL-1 / UL-2 fire resistance standards. It generates low static electricity, and glass fibers can be metabolized by the human body, minimizing health and environmental impact.

Easy Installation
The bag-type design simplifies installation and replacement, improving maintenance efficiency.

Applications

Central Air Conditioning and Ventilation Systems

Used as a medium-efficiency filtration stage to protect high-efficiency filters and extend overall system lifespan.

Cleanrooms, Hospitals, and Laboratories

Ensures air quality in critical areas and prevents contamination.

Food, Pharmaceutical, and Electronics Manufacturing

Maintains clean production environments and improves product quality.

High-Temperature Industrial Environments

Suitable for baking workshops, high-temperature sterilization processes, and similar applications.

How to Choose Between Bag Synthetic Media Medium Filters and Bag Glass Fibre Media Medium Filters

Item	Bag Synthetic Media Medium Filter	Bag Glass Fibre Media Medium Filter
Material Characteristics	Synthetic fibers with good flexibility, tear resistance, and hydrophobic properties; suitable for high-humidity environments, but limited temperature resistance (<80 °C).	Glass fiber media with excellent high-temperature resistance (up to 260 °C) and corrosion resistance; high filtration efficiency, but relatively brittle and sensitive to vibration and moisture absorption.
Filtration Performance	Cost-effective with high dust-holding capacity, but lower classification efficiency, especially at high airflow velocities.	High filtration efficiency with stable performance even at high air velocities; high dust-holding capacity and long service life, but higher initial cost.
Typical Applications	Normal temperature and humidity environments (e.g., commercial buildings, hospitals), budget-sensitive medium filtration, and high-humidity applications such as food processing.	High-temperature or corrosive environments (e.g., boiler flue gas, chemical workshops) and cleanrooms with high filtration efficiency requirements.
Cost Efficiency	Low initial cost, but more frequent replacement may lead to higher long-term maintenance costs.	Higher initial investment, but longer service life and fewer replacements result in lower total lifecycle cost.

Summary

High temperature / corrosive / high-efficiency requirements: Choose the Bag Glass Fibre Media Medium Filter for long-term stability, despite higher initial cost.
Normal temperature / limited budget: The synthetic media bag filter is more economical, provided environmental conditions are suitable.

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