14x20x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 19.75) - 3 Pack Oval Stack Head and replacements are available upon

and replacements are available upon request

+ Product Details 12"w X 4"h Is The Size For The Duct Opening Measurement Only

+ Product Description Introducing our stainless steel drywall access door

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14x20x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 19.75) - 3 Pack Oval Stack Head and replacements are available upon+ Product Details 14" x 20" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 13. 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