18x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 17.75) - 3 Pack white ensuring quality and reliability

ensuring quality and reliability

+ Product Details Size - 20"w X 20"h Is The Size For The Duct Opening Only

Fully removable door with a spring loaded hinge

For 14" duct opening

+ Product Details 14" x 18" x 1" replacement air filters for your furnace

18x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 17.75) - 3 Pack white ensuring quality and reliability+ Product Details 18" x 18" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 17. 75" x 17. 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