10x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 9.75 x 23.75) - 3 Pack 3" Round Duct Pipe + Product Details Size -

+ Product Details Size - 4"w X 30"h is the size for the duct opening measurement only

2" X 12" Is The Size For The Duct Opening Measurement Only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 24" Or 24" x 34" duct opening (measured at the opening)

Box or Other Attachments Needed

10x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 9.75 x 23.75) - 3 Pack 3" Round Duct Pipe + Product Details Size -+ 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