G1 Primary Filter
G1 primary filter for coarse pre-filtration in ventilation and air-handling systems.
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BAIHANGDA PRODUCT
G4 Primary Filter
G4 primary filter for higher-demand pre-filtration in cleanroom HVAC and industrial air systems.
PRODUCT DETAILS
Product Overview
BAIHANGDA G4 Primary Filter is a higher primary-stage filtration option for ventilation and cleanroom air systems that need stronger pre-filtration before F-series, HEPA or other downstream filters. It is frequently used to reduce the dust load entering later filtration stages and to support more stable system operation.
Typical Applications
- Cleanroom HVAC pre-filtration
- AHU and fresh-air units
- Pharmaceutical and electronics ventilation
- Pre-filter protection for medium and HEPA stages
Product Features
- Higher primary-stage dust capture within the G-series family
- Helps reduce loading on downstream filters
- Panel, pleated and project-specific constructions available
- Designed for routine replacement and maintenance
- OEM dimensions and frame options
Selection & Customization
Choose the G4 filter based on the existing AHU slot size, airflow, allowable depth, frame construction and maintenance frequency. Project drawings can be used for exact matching.
OEM / ODM: Dimensions, frame construction, installation form and project configuration can be customized according to confirmed requirements.
PROJECT-SPECIFIC CONFIGURATION
Technical Parameters
Final dimensions, airflow and construction follow the confirmed product configuration and project requirement.
| Filter Grade | G4 |
|---|---|
| Filter Type | Primary / pre-filter |
| Filter Media | Selected according to confirmed product configuration |
| Frame Material | Selected according to project specification |
| Dimensions | Standard or customized |
| Airflow | According to system design |
| Resistance | Confirm with selected media, construction and airflow |
| Classification Reference | G/F designation; confirm ISO 16890 ePM requirement when specified |
Product Categories
MORE PRODUCTS
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G2 Primary Filter
G2 primary filter for basic dust interception and upstream HVAC system protection.
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G3 Primary Filter
G3 primary filter for HVAC pre-filtration and protection of medium-efficiency filter stages.
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INDUSTRY SOLUTIONS
Related Cleanroom Solutions
Explore application-specific cleanroom configurations and recommended equipment for your project.
OEM / ODM & PROJECT SUPPORT
Send Your Product Requirement
Send the product name, installation size, airflow or system conditions, quantity and destination. BAIHANGDA will confirm the suitable configuration before quotation.