22" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Adjustable Return actual front end outer dimensions

actual front end outer dimensions are approximately 28 5/8" width X 8 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 32" or 32" x 8" duct opening (measured at the opening)

Every grille has a front end frame that will overlap at the wall joint

+ Product Details Size – 12"w X 10"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 16 5/8" width X 26 5/8" height

22" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Adjustable Return actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 14" OR 14" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 13. 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