The 12x24x4 air filter is an extended surface pleated filter, which outpaces standard air filters with medium efficiency, and are engineered for lower pressure drop, and longer service life, which reduces HVAC equipment maintenance and energy expenses. Filter Hut's 12x24x4 air filter is rated to ASHRAE test standards 52.2, which ensures that the air filter will capture particulate as good or better than OEM 12 x 24 x 4 air filter.
- 12x24x4 nominal size.
- 11.4375x23.4375x3.5 actual size.
- Pleated design.
MERV tested to ASHRAE classifications.
- 983 cfm flow rate.
- 12 filters in a case.