
G1 Primary Filter
G1 primary filter for coarse pre-filtration in ventilation and air-handling systems.
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G3 primary filter for HVAC pre-filtration and protection of medium-efficiency filter stages.
BAIHANGDA G3 Primary Filter is intended for routine HVAC and clean-air pre-filtration where the upstream stage must remove common dust and fibers before the air enters a finer filtration section. Compared with lower primary grades, it is selected for systems that need more stable pre-filtration performance while keeping maintenance straightforward.
Provide the installation opening, air volume, frame requirement and replacement cycle target. BAIHANGDA can match the G3 construction to the air-handling equipment.
OEM / ODM: Dimensions, frame construction, installation form and project configuration can be customized according to confirmed requirements.
Final dimensions, wall interface, sealing, observation window and hardware follow the confirmed project configuration.
| Filter Grade | G3 |
|---|---|
| Filter Type | Primary / pre-filter |
| Filter Media | Selected according to confirmed product configuration |
| Frame Material | Steel construction |
| 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 |
Explore application-specific cleanroom configurations and recommended equipment for your project.
Send the product name, installation size, airflow or system conditions, quantity and destination. BAIHANGDA will confirm the suitable configuration before quotation.
This mingda.shop technical record presents G3 Primary Filter as a configurable B2B product rather than a fixed retail item. Selection is reviewed against the airflow path, cleanliness target, installation space and operating conditions.
For filtration products, the review covers filter class, rated airflow, initial resistance, media construction, frame material, gasket or gel seal, face velocity and the requested inspection or test standard.
BAIHANGDA checks the requested performance against the actual installation and operating conditions. Final dimensions and configuration are confirmed from project data or drawings.
For a useful quotation, provide dimensions, quantity, target grade, airflow or room requirement, installation position, power supply where applicable, destination and any drawing or validation requirement.