The 16x25x4 air filter is an extended surface pleated filter, which outpaces ordinary air filters with medium efficiency, and are engineered for decreased pressure drop, and long service life, which reduces HVAC equipment maintenance and energy costs. The 16x25x4 air filter is governed to ASHRAE test standards 52.2, which establishes that the air filter will filter as good or better than OEM 16 x 25 x 4 air filter.
- 16x25x4 nominal size.
- 15.625x24.625x3.5 actual size.
- Pleated design.
MERV tested to ASHRAE classifications.
- 1377 cfm flow rate.
- 6 air filters in a case.