32" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter sidewall border: none

border: none

actual front end outer dimensions are approximately 20 5/8" width X 16 5/8" height

actual front end outer dimensions are approximately 37

+ Product Details Size – 14"w X 18"h is the size for the duct opening measurement only

+ Product Details Size – 32"w X 12"h is the size for the duct opening measurement only

32" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter sidewall border: none+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 16" OR 16" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 15. 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