Primary Air Filter
Primary Air Filter
Primary air filters are used for pre-filtration in HVAC systems, mainly capturing ≥5μm dust particles.
Available in panel, pleated, and bag types, with frames made of cardboard, aluminum, or galvanized steel.
Filter media options include nonwoven fabric, nylon mesh, activated carbon, perforated metal mesh, and aluminum track mesh.
| Model | Grade | Dimensions (W×H×D mm) | Filtration Area (m²) | Rated Airflow (m³/h) | Initial Resistance (70%Rated Airflow) (Pa) | Initial Resistance (100%Rated Airflow) (Pa) | Initial Resistance (120%Rated Airflow) (Pa) |
| FSTCX-A(B)P5521-G3 | G3 | 500×500×21 | 0.25 | 1000 | 50 | 70 | |
| FSTCX-A(B)P6621-G3 | G3 | 600×600×21 | 0.36 | 2000 | 50 | 70 | |
| FSTCX-A(B)P8821-G3 | G3 | 800×800×21 | 0.64 | 3000 | 50 | 70 | |
| FSTCX-A(B)PZ6605-G3 | G3 | 595×595×46 | 1.37 | 3600 | 60 | 80 | |
| FSTCX-A(B)PZ3605-G3 | G3 | 290×595×46 | 0.63 | 1800 | 60 | 80 | 70 |
| FSTCX-A(B)PZ6610-G3 | G3 | 595×595×46 | 2.55 | 3600 | 30 | 55 | 75 |
| FSTCX-A(B)PZ3610-G3 | G3 | 595×595×96 | 1.22 | 1800 | 30 | 55 | 75 |
| FSTCX-APZ6605-G4 | G4 | 595×595×46 | 1.37 | 3600 | 70 | 110 | |
| FSTCX-APZ3605-G4 | G4 | 290×595×46 | 0.63 | 1800 | 70 | 110 | |
| FSTCX-APZ6610-G4 | G4 | 595×595×96 | 2.55 | 3600 | 45 | 75 | 95 |
| FSTCX-APZ3610-G4 | G4 | 290×595×96 | 1.22 | 1800 | 45 | 75 | 95 |
| Note: Custom sizes available upon request. | |||||||
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