24" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Black + Product Details Size –

+ Product Details Size – 6" x 32" or 32" x 6" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 10 5/8" width X 14 5/8" height

+ Product Details Size – 24"w X 36"h is the size for the duct opening measurement only

+ Product Details Size – 22"w X 36"h is the size for the duct opening measurement only

24" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Black + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 10" OR 10" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 9. 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