The 25x29x4 air filter is an extended surface pleated filter, which outperforms standard air filters with medium efficiency, and are builtfor lower pressure drop, and increased service life, which reduces HVAC equipment maintenance and energy costs. Our 25x29x4 air filter is rated to ASHRAE test standards 52.2, which assures that the air filter will perform as good or better than original brand 25 x 29 x 4 air filter.
- 25x29x4 nominal size.
- 24.625x28.625x3.5 actual size.
- Pleated design.
MERV classified to ASHRAE classifications.
- 2458 cfm flow rate.
- 6 filters in a case.