14x20x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 19.75) - 3 Pack Sheet Metal / Round Duct 875" width X 5

875" width X 5

+ Product Details Size - 36"w X 16"h X 2"d (for duct opening measurement only)

+ Product Details 16"w X 16"h is the size for the drywall opening measurement only

25" X 5" galvanized floor boot end center 26-gauge

14x20x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 19.75) - 3 Pack Sheet Metal / Round Duct 875" width X 5+ Product Details 14" x 20" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 13. 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