16x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 15.75 x 23.75) - 3 Pack Width_25in this fitting is perfectly compatible

this fitting is perfectly compatible with 14-inch ducts

+ Product Description Introducing our revolutionary Anisotropic Magnetic Vent Covers

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 30" OR 30" X 14" duct opening (measured at the opening)

+ Product Details Size – 28"w X 32"h is the size for the duct opening measurement only

16x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 15.75 x 23.75) - 3 Pack Width_25in this fitting is perfectly compatible+ Product Details 16" x 24" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 15. 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