14" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum - Cube Core With plain ends

With plain ends

including the ability to mount without removing the thermostat when using the ring base

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The total outer size of this grille is the listed size plus 2 and 5/8"

14" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum - Cube Core With plain ends+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 10" or 10" x 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 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