Filter Hut's 16x20x4 air filter is an extended surface pleated filter, which outpaces ordinary air filters with medium efficiency, and are designed for decreased pressure drop, and extended service life, which reduces HVAC equipment maintenance and energy expenses. This 16x20x4 air filter is classified to ASHRAE test standards 52.2, which establishes that the air filter will perform as good or better than original manufacturer 16 x 20 x 4 air filter.
- 16x20x4 nominal size.
- 15.625x19.625x3.5 actual size.
- Pleated design.
MERV classified to ASHRAE grades.
- 1082 cfm flow rate.
- 6 air filters to a case.