14" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 8" these louvers are built to

these louvers are built to last

+ Product Details Size – 12"w X 12"h

+ Product Details Size – 24"w X 14"h is the size for the duct opening measurement only

Actual Filter Size – 15 3/4"w x 24 3/4" x 1"

75"H – fits a 12" X 6" duct opening

14" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 8" these louvers are built to+ 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