The 18x24x6 air filter is an extended surface pleated filter, which outpaces ordinary air filters with medium efficiency, and are designed for lower pressure drop, and longer service life, which reduces HVAC equipment maintenance and energy expenses. This 18x24x6 air filter is measured to ASHRAE test standards 52.2, which assures that the air filter will perform as good or better than original brand 18 x 24 x 6 air filter.
- 18x24x6 nominal size.
- 17-1/2 x 23-1/2 x 5-3/4 actual size.
- Pleated design.
MERV rated to ASHRAE standards.
- 500 fpm rated velocity
- 4 filters to a case.