25x20x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 24.75 x 19.75) - 3 Pack Rectangular Duct Caps actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 34 5/8" height -

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 32" OR 32" x 20" duct opening (measured at the opening)

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

and ceiling register grilles

25x20x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 24.75 x 19.75) - 3 Pack Rectangular Duct Caps actual front end outer dimensions+ Product Details 25" x 20" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 24. 75" x 19. 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