32" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return Actual Filter Size – 19

Actual Filter Size – 19 3/4"w x 19 3/4" x 1"

+ Product Details Size – 8" round duct opening

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

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

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 28" OR 28" x 32" duct opening (measured at the opening)

32" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return Actual Filter Size – 19+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 14" OR 14" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 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