14x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 17.75) - 3 Pack Drop Ceilings / Lay-In Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10" X 4" duct openings

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actual front end outer dimensions are 13" width X 13" height

+ Product Details Size – 22"w X 34"h is the size for the duct opening measurement only

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14x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 17.75) - 3 Pack Drop Ceilings / Lay-In Ideal for Walls & Ceilings:+ Product Details 14" x 18" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 13. 75" x 17. 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