22x22x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 21.75 x 21.75) - 3 Pack w40h40 + Product Details Size -

+ Product Details Size - 10"w X 30"h is the size for the duct opening measurement only

75" Width X 17

+ Product Details Size - 6"w X 24"h X 2"d (for duct opening measurement only)

this easy-to-install grille fits seamlessly into any standard return filter opening

+ Product Details Size & Compatibility – The size of the wall angle register boot is 10" X 6" X 5" and it is compatible with duct 5"

22x22x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 21.75 x 21.75) - 3 Pack w40h40 + Product Details Size -+ Product Details 22" x 22" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 21. 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