14" x 16" or 16" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return 875" width X 10" height

875" width X 10" height

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actual front end outer dimensions are approximately 31 5/8" width X 24 5/8" height -

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this flex duct decreases the pressure loss and provides a more hygienic environment

14" x 16" or 16" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return 875" width X 10" height+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 16" OR 16" X 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 75" x 15. 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