20x10x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 9.75) - 3 Pack Drop Ceilings / Aluminum Actual Filter Size – 11

Actual Filter Size – 11 3/4"w x 33 3/4" x 1"

+ Product Details Size – 36"w X 12"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 26" or 26" x 8" duct opening (measured at the opening)

Designed for sidewall and ceiling installation with included screws

20x10x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 19.75 x 9.75) - 3 Pack Drop Ceilings / Aluminum Actual Filter Size – 11+ Product Details 20" x 10" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19. 75" x 9. 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