32" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Diameter actual front end outer dimensions

actual front end outer dimensions are approximately 38 5/8" width X 10 5/8" height

actual front end outer dimensions are approximately 27 5/8" width X 34 5/8" height -

+ Product Details Size – 22"w X 25"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 14"h is the size for the duct opening measurement only

32" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Diameter actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 12" OR 12" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 14. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 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