26" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w6h6 actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 8 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 8" or 8" x 6" duct opening (measured at the opening)

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Actual Front End Outer Dimensions Are 3

26" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w6h6 actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 14" OR 14" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 13. 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