20x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 23.75) - 3 Pack Stick on Side Take Off and the door opens smoothly

and the door opens smoothly

+ Product Details Size - 14"w X 28"h X 2"d (for duct opening measurement only)

+ Product Details Size – 24" x 34" or 34" x 24" is the size for the duct opening measurement only

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20x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 23.75) - 3 Pack Stick on Side Take Off and the door opens smoothly+ 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