Standard Test Report — Pleated HVAC Filter (MERV 13, Standard Capacity)
Test Identification
- Report No.: GLT 8072
- Standard: ANSI/ASHRAE 52.2-2017
- Date: 25-Feb-2022
Filter Description
- Filter Type: Pleated wire-backed media in a beverage-board die-cut frame with front and rear diagonal supports
- Model/Style Code: 2303422218-1
- Nominal Dimensions (H × W × D): 24" × 24" × 2"
- Number of Filter Panels Tested: 1
- Pleat Quantity (visible): 27 per panel
- Media Type / Color: Synthetic / White
Test Conditions
- Test Aerosol: Neutralized KCl
- Initial Resistance (clean): 0.25 in. w.g. at rated flow
- Airflow test points (CFM): 492, 984, 1476, 1968, 2460
Results Summary
- Minimum Efficiency Reporting Value (MERV): 13 (initial, before dust fed)
- Overall Arrestance to 1.5 in. w.g.: 96%
- Final Resistance (for DHC endpoint): 1.50 in. w.g.
- Dust Holding Capacity (to 1.5 in. w.g.): 61.7 g
Clean Resistance vs. Airflow
| Airflow (CFM) |
Resistance (in. w.g.) |
| 492 | 0.03 |
| 984 | 0.08 |
| 1476 | 0.16 |
| 1968 | 0.25 |
| 2460 | 0.36 |
Chart: Clean resistance (in. w.g.) increases with airflow (CFM).
Initial Particle Size Efficiency (Neutralized KCl)
Measured at 492 FPM face velocity. Values shown by geometric mean particle size.
| Geometric Mean Diameter (μm) |
Initial Efficiency (%) |
| 0.35 | 33.9 |
| 0.47 | 46.5 |
| 0.62 | 58.6 |
| 0.84 | 68.7 |
| 1.14 | 78.6 |
| 1.44 | 84.5 |
| 1.88 | 87.3 |
| 2.57 | 90.3 |
| 3.46 | 91.2 |
| 4.69 | 91.5 |
| 6.20 | 91.0 |
| 8.37 | 91.6 |
Chart: Initial efficiency (%) by particle size (μm) at 492 FPM.