26" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w22h22 actual front end outer dimensions

actual front end outer dimensions are approximately 24 5/8" width X 22 5/8" height

transparent design that complements any setting

+ Product Details Size - 40"w X 20"h is the size for the duct opening measurement only

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

26" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w22h22 actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 22" OR 22" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 21. 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