20x22x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 21.75) - 3 Pack Wall Angle Register Boot By means of the smooth

By means of the smooth surface

actual front end outer dimensions are approximately 2" wider

+ Product Details Size – 10"w X 12"h is the size for the duct opening measurement only

+ Product Details Size – 12" x 18" or 18" x 12" is the size for the duct opening measurement only

compatible with duct 7"

20x22x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 21.75) - 3 Pack Wall Angle Register Boot By means of the smooth+ 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