14" x 25" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Diameter + Product Details Size -

+ Product Details Size - 14"w X 28"h is the size for the duct opening measurement only

providing a stylish and practical solution for ventilation

+ Product Details Size - 10"w X 22"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 10"h is the size for the duct opening measurement only

14" x 25" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Diameter + Product Details Size -+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 25" OR 25" X 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 27. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 75" x 24. 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