- Replacement filter specifically designed to replace OEM 12.5x20 Honeywell FC100A1052 air filter.
- Rated to indpendent ANSI/ASHRAE 52.2 Test Standards which ensures filters will perform as good or better than original OEM filters.
- Pleated filters capture more dust than panel fiberglass filters creating a healthier environment.
- Thermally-bonded 100% synthetic media - no chemicals.
- Nominal size is 12.5x20. Acutal size is 12.5x20x4.38.
