18X24X1 (17 1/2 X 23 1/2 X 3/4) Pleated MERV 12 Air Filters 6 Pack | Actual Size
Model Number 18x24x1. People with pets or those who suffer from allergies should change their A/C air filters more often. Important Note: Almost all air condition filters have a different Actual Size than Nominal Size printed on the air conditioning filter.