22" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 6" actual front end outer dimensions

actual front end outer dimensions are approximately 35

+ Product Details Size - 28"w X 12"h is the size for the duct opening measurement only

ensuring it arrives in perfect condition

+ Product Details Size – 12"w X 18"h is the size for the duct opening measurement only

22" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 6" actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 32" OR 32" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 31. 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