20" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coat scratch-resistant surface that gleams like

scratch-resistant surface that gleams like it's just been waxed

+ Product Details Size – 28"w X 14"h is the size for the duct opening measurement only

+ Product Details Size - 16"w X 24"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 25

actual front end outer dimensions are approximately 34 5/8" width X 20 5/8" height

20" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coat scratch-resistant surface that gleams like+ Product Details Perfect Fit & Easy Sizing Designed for a 20" x 14" OR 14" x 20" duct opening (measured at the opening), with actual outer dimensions of 22. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 19. 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