24" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Curved Blade Steel actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 27 5/8" height

Universal Fit – Measures 3-7/8" wide x 3-1/2" high x 3" deep

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

+ Product Description Upgrade your HVAC system with our 5" Round Air Vent Supply Grille

High Quality Aluminum – The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant

24" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Curved Blade Steel actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 14" OR 14" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 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