16" x 22" or 22" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter return grille actual front end outer dimensions

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

+ Product Details Size - 25"w X 26"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 26 5/8" width X 38 5/8" height

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

16" x 22" or 22" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter return grille actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 22" OR 22" X 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 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