32" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Diameter + Product Details Size -

+ Product Details Size - 10"w X 16"h is the size for the duct opening measurement only

Actual Filter Size – 7 3/4"w x 23 3/4" x 1"

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

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

32" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Diameter + 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