26" x 6" or 6" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coated text-decoration: none

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+ Product Details Size – 8" x 18" or 18" x 8" is the size for the duct opening measurement only

helping to maintain consistent temperature settings

Location – Sidewall and ceiling

26" x 6" or 6" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coated text-decoration: none+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 6" OR 6" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 5. 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