16" x 32" or 32" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter sidewall actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 10 5/8" height

+ Product Details Size - 18"w X 24"h X 2"d (for duct opening measurement only)

+ Product Details Outer dimensions: 19

+Product Details Size – 2"h x 12"w is the size for the duct opening measurement only

please note that the total outer dimensions of the grille measure 14" in diameter

16" x 32" or 32" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter sidewall actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 32" OR 32" X 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 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