10" x 14" or 14" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 16.5"] w25h25 Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 11 3/4" x 1"

+ Product Details Durable Construction - Made with clear

Whether installed on a sidewall or ceiling

+ Product Details Size – 8" x 22" or 22" x 8" is the size for the duct opening measurement only

enhancing the entire room with its elegant presence

10" x 14" or 14" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 16.5"] w25h25 Actual Filter Size – 13+ Product Details Perfect Fit & Easy Sizing Designed for a 10" x 14" or 14" x 10" duct opening (measured at the opening), with actual outer dimensions of 12. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 9. 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