12x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 11.75 x 23.75) - 3 Pack Sheet Metal/Adjustable Elbow + Product Details Size –

+ Product Details Size – 12" x 20" or 20" x 12" is the size for the duct opening measurement only

while also preventing air leakage making your HVAC system more energy efficient and in turn

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

Ideal for both residential and commercial environments

12x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 11.75 x 23.75) - 3 Pack Sheet Metal/Adjustable Elbow + Product Details Size –+ Product Details 12" x 24" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 11. 75" x 23. 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