20x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 23.75) - 3 Pack Width_16in + Product Details Size -

+ Product Details Size - 26"w X 14"h X 2"d (for duct opening measurement only)

+ Product Details Size - 26"w X 36"h is the size for the duct opening measurement only

and the full outer portion is double layered

+ Product Details Size - 18"w X 24"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 24"h X 2"d (for duct opening measurement only)

20x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 23.75) - 3 Pack Width_16in + Product Details Size -+ Product Details 10" x 24" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 9. 75" x 23. 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