32" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w25h25 + Product Details Size –

+ Product Details Size – 26"w X 12"h is the size for the duct opening measurement only

and smooth surface for years to come

Filter Size - 5

75"H – fits a 16" X 6" duct opening

if your hole is 20" wide by 14" tall

32" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w25h25 + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 24" OR 24" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 26. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 23. 75" x 1" Premium Airflow Efficiency High performance cube core eggcrate design allows 95% airflow efficiency, reducing energy costs and maximizing HVAC system lifespan. Durable, Rust Free Aluminum