Performance Specifications
- Performance Evaluation No.: 23-607-1
- Date: 27-Nov-23
- Standard: ANSI/ASHRAE 52.2-2017
Filter Description
- Manufacturer: True Filtration, LLC
- Filter Model: TF8PS24242
- Generic Filter Type: Pleated Filter
- Nominal Dimensions (H × W × D): 24" × 24" × 2"
- Pleat Quantity: 24 pleats
- Media Type: MERV 8
- Estimated Gross Media Area: 16 ft²
Test Conditions
- Loading Dust Type: ASHRAE 69
- Airflow Rate (CFM): 1968
- Nominal Face Velocity (fpm): 492
- Initial Resistance (in w.g.): 0.20
- Final Resistance (in w.g.): 1.50
- Dust Fed to Final Resistance (g): 112
Test Results (Summary)
- E1 (0.30–1.0 μm) composite minimum average efficiency: 46%
- E2 (1.0–3.0 μm) composite minimum average efficiency: 80%
- E3 (3.0–10.0 μm) composite minimum average efficiency: 97%
- Minimum Efficiency Reporting Value (MERV): 9 @ 1968 CFM
- Average Arrestance: 97%
- Final Pressure Drop: 1.50" w.c.
- Dust Holding Capacity: 86.6 g
Data — Initial Resistance
| Airflow (CFM) |
Resistance (in w.g.) |
| 0 | 0.00 |
| 492 | 0.02 |
| 984 | 0.06 |
| 1476 | 0.12 |
| 1968 | 0.20 |
| 2460 | 0.30 |
Chart: Initial resistance (in w.g.) vs. airflow (CFM).
Resistance and Dust Load by Stage
| Stage |
Resistance After Dust Load (in w.c.) |
Dust Load (g) |
| Load 1 | 0.24 | 8 |
| Load 2 | 0.53 | 58 |
| Load 3 | 0.85 | 84 |
| Load 4 | 1.18 | 102 |
| Load 5 (Final) | 1.50 | 112 |
Chart: Resistance (line) and Dust Load (bars) by loading stage.
Data — Particle Removal Efficiency (By Particle Size)
Values shown for Initial and each dust load stage.
| Geometric Mean Diameter (μm) |
Initial (%) |
Load 1 (%) |
Load 2 (%) |
Load 3 (%) |
Load 4 (%) |
Load 5 (%) |
| 0.35 | 0.0 | 3.3 | 15.6 | 23.3 | 32.5 | 34.4 |
| 0.47 | 1.8 | 7.4 | 25.6 | 38.1 | 52.5 | 54.6 |
| 0.62 | 5.8 | 13.4 | 38.6 | 54.4 | 70.7 | 72.2 |
| 0.84 | 15.1 | 25.1 | 56.9 | 71.8 | 84.5 | 85.6 |
| 1.14 | 27.2 | 41.7 | 75.1 | 87.4 | 93.7 | 93.6 |
| 1.44 | 40.1 | 55.6 | 84.4 | 92.6 | 95.9 | 95.7 |
| 1.88 | 51.8 | 68.0 | 91.2 | 95.8 | 97.7 | 97.7 |
| 2.57 | 65.8 | 83.0 | 96.7 | 98.4 | 99.0 | 98.9 |
| 3.46 | 75.4 | 92.1 | 98.8 | 99.4 | 99.5 | 99.5 |
| 4.69 | 78.9 | 95.9 | 99.3 | 99.6 | 99.8 | 99.8 |
| 6.20 | 81.5 | 97.1 | 99.8 | 100.0 | 99.7 | 99.4 |
| 8.37 | 82.3 | 97.9 | 100.0 | 100.0 | 100.0 | 100.0 |
Chart: Particle removal efficiency (%) vs. particle size (μm) for Initial and Load 1–5.
Notes
- Charts (particle size removal curve; airflow vs. resistance) are reproduced here from the table data.