10" x 20" or 20" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 22.5"] w32h32 85" width X 9

85" width X 9

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+ Product Details Size - 32"w X 24"h is the size for the duct opening measurement only

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10" x 20" or 20" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 22.5"] w32h32 85" width X 9+ Product Details Perfect Fit & Easy Sizing Designed for a 10" x 20" duct opening (measured at the opening), with actual outer dimensions of 12. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 9. 75" x 19. 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 from