10" x 12" or 12" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 14.5"] with filter actual front end outer dimensions

actual front end outer dimensions are approximately 29

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

and its seamless drop-in installation process ensures effortless setup

Click Add to Cart now & enjoy a new updated refreshing look of your room

+ Product Details Size - 20"w X 12"h is the size for the duct opening measurement only

10" x 12" or 12" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 14.5"] with filter actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 10" x 12" or 12" x 10" duct opening (measured at the opening), with actual outer dimensions of 12. 5" W x 14. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 9. 75" x 11. 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