16x20x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 15.75 x 19.75) - 3 Pack Width_10in + Product Details Size &

+ Product Details Size & Compatibility – The size of the side round ceiling box is 6" X 6" X 3" and it is compatible with duct 3"

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16x20x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 15.75 x 19.75) - 3 Pack Width_10in + Product Details Size &+ Product Details 16" x 20" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 15. 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