20x22x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 21.75) - 3 Pack 14" Round Duct Pipe + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 10" or 10" x 12" duct opening (measured at the opening)

The snap-lock/push-open technology allows easy access and installation on DryWall

+ Product Details Size – 14"w X 18"h is the size for the duct opening measurement only

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 8" X 6" X 6"

20x22x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 21.75) - 3 Pack 14" Round Duct Pipe + Product Details Perfect Fit+ Product Details 20" x 22" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19. 75" x 21. 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