20x25x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 24.75) - 3 Pack w16h16 + Product Details Size -

+ Product Details Size - 14"w X 22"h X 2"d (for duct opening measurement only)

+ Product Details Size – 32"w X 25"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 32"h X 2"d (for duct opening measurement only)

If you are looking for a good quality Duct Round Cap to enhance your project look no further than HVAC Premium

compatible with duct 4" | 10 in a pack - 4 inch diameter pipe – 20 foot length when connected – 30 gauge thick & made of thick & durable galvanized sheet metal

20x25x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 24.75) - 3 Pack w16h16 + Product Details Size -+ Product Details 20" x 25" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19. 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