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| Clapboard: | without Clapboard |
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| Filter Number: | 1 |
| Medium Material: | Fiberglass |
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Nominal size | Actual size W×H×D(mm) | Air flow (m³/h) | Initial pressure drop(Pa) | Final pressure drop(Pa) |
20×20×3 | 484×484×70 | 630 | 249Pa Face velocity 0.85m/sec | 500Pa *Proposed value |
25×25×3 | 630×630×70 | 1100 | ||
23×47×3 | 570×1170×70 | 1000 | 110Pa Face velocity 0.45m/sec | 220Pa *Proposed value |
47×47×3 | 1170×1170×70 | 2100 | ||
20×20×4 | 484×484×90 | 630 | 220Pa Face velocity 0.85m/sec | 440Pa *Proposed value |
25×25×4 | 630×630×90 | 1100 | ||
23×70×4 | 570×1170×90 | 1000 | 98Pa Face velocity 0.45m/sec | 100Pa *Based on FFU performance |
70×70×4 | 1170×1170×90 | 2100 |


Feature | Benefit to You |
Separatorless Design | Lower Initial Pressure Drop & Operational Cost: Smoother airflow reduces fan energy consumption, saving you money. |
High Dust Holding Capacity | Longer Service Life: More media area holds more dust, extending change-out intervals and reducing maintenance costs. |
Rigid Construction | High Stability & Safety: Glue support ensures pleat integrity under variable air velocity, eliminating collapse risk. |
Compact Profile | Saves Valuable Space: Thinner profile than separator-type filters at the same airflow rate, optimizing equipment design. |
Wide Efficiency Range | One-Stop Solution: From medium efficiency pre-filters to HEPA final filters, meeting all stages of your system needs. |



