20" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 2-Way Smooth Powder Coat Finish: The

Smooth Powder Coat Finish: The grill boasts a sleek and smooth powder coat finish that not only adds a touch of elegance to your surroundings but also enhances its resistance against wear and tear

12" Diameter Is The Size For The Duct Opening Measurement Only

actual front end outer dimensions are approximately 32 5/8" width X 16 5/8" height -

+ Product Description Maximize your home’s airflow with this premium Air Supply Grille air supply grille

20" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 2-Way Smooth Powder Coat Finish: The+ Product Details Perfect Fit & Easy Sizing Designed for a 20" x 28" OR 28" x 20" duct opening (measured at the opening), with actual outer dimensions of 22. 5" W x 30. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 19. 75" x 27. 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