14" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum - Cube Core including the ability to mount

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

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

With plain ends

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 6" or 6" x 14" duct opening (measured at the opening)

providing a stylish and practical solution for ventilation

14" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum - Cube Core including the ability to mount+ 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