25x20x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 24.75 x 19.75) - 3 Pack Black + Product Details Size -

+ Product Details Size - 14"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 12"w X 12"h X 2"d (for duct opening measurement only)

and other areas where baseboard-mounted return air grilles are required

especially if it has been in stock for a long time

25x20x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 24.75 x 19.75) - 3 Pack Black + Product Details Size -+ Product Details 25" x 20" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 24. 75" x 19. 75") A unique combination of cotton & synthetic fibers gives you the most filtration and the least air resistance equals great air & easy airflow for your system. The non pleated design provides low airflow resistance while still effectively capturing dirt and particles such as standing dust, spray paint