10x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 9.75 x 23.75) - 3 Pack #REF! 75"H – fits a 18"

75"H – fits a 18" X 6" duct opening

Test the valve operation to ensure it is functioning correctly

It features a snap-lock design for easy fitting and a secure connection

+ Product Details Size – 25"w X 36"h is the size for the duct opening measurement only

+ Product Details Size – 34" x 34" is the size for the duct opening measurement only

10x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 9.75 x 23.75) - 3 Pack #REF! 75"H – fits a 18"+ Product Details 10" x 24" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 9. 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