30" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12" Diameter + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 32" or 32" x 8" duct opening (measured at the opening)

+ Product Details Size – 15" Wooden Corner Baseboard Grille

+ Product Details Size - 6"w X 32"h is the size for the duct opening measurement only

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this grille offers a seamless blend of functionality and aesthetics

30" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12" Diameter + Product Details Perfect Fit+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 24" OR 24" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 26. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 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