25x25x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 24.75 x 24.75) - 3 Pack w26h26 + Product Details Size -

+ Product Details Size - 28"w X 26"h X 2"d (for duct opening measurement only)

+ Product Details Size – 36"w X 34"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 32 5/8" height

actual front end outer dimensions are approximately 20 5/8" width X 338 5/8" height

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 6" duct openings

25x25x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 24.75 x 24.75) - 3 Pack w26h26 + Product Details Size -+ Product Details 25" x 25" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 24. 75" x 24. 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