10x25x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 9.75 x 24.75) - 3 Pack Width_10in + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 20" OR 20" x 18" duct opening (measured at the opening)

making installation a breeze

High Quality – A uniquie combination of cotton & synthetic fibers gives you the most filtration and the least air resistance - equals great air & easy airflow for your system

+ Product Details Size – 18"w X 34"h is the size for the duct opening measurement only

10x25x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 9.75 x 24.75) - 3 Pack Width_10in + Product Details Perfect Fit+ Product Details 10" x 25" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 9. 75" x 24. 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