8" x 10" or 10" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 12.5"] 6in diameter actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 28 5/8" height

+ Product Details Size – 18"w X 10"h is the size for the duct opening measurement only

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enhancing the entire room with its elegant presence

The premium plated finish and modern design make it a luxurious and impressive addition to your home decor

8" x 10" or 10" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 12.5"] 6in diameter actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 8" x 10" or 10" x 8" duct opening (measured at the opening), with actual outer dimensions of 10. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 7. 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 Made