18" x 24" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 17.75 X 23.75] 3-Pack 8" Diameter + Product Details Size -

+ Product Details Size - 16"w X 25"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 26" or 26" x 6" duct opening (measured at the opening)

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 4" duct openings

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 20" OR 20" x 32" duct opening (measured at the opening)

providing comfort and control

18" x 24" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 17.75 X 23.75] 3-Pack 8" Diameter + Product Details Size -+ Product Details Size 18"w X 24"h pleated MERV 8 filter for HVAC return filter grille 3 Pack. Actual dimensions: 17. 75" X 23. 75" 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 Design The "W" shaped pleats give you more filter surface thereby capturing more dust. Our metal and paper diagonal support bars ensure the filter can