30" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_Aluminum actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 14 5/8" height

[Outer Dimensions: 32

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 24" OR 24" x 26" duct opening (measured at the opening)

+ Product Details Size - 32"w X 22"h is the size for the duct opening measurement only

30" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_Aluminum actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 12" OR 12" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 14. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 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