16" x 30" or 30" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter return grille Actual Filter Size – 24

Actual Filter Size – 24 3/4"w x 25 3/4" x 1"

+ Product Description Check out one of our most attractive and stylish grills

actual front end outer dimensions are approximately 36 5/8" width X 36 5/8" height

9% Pure Copper meeting ASTM B280 standards

16" x 30" or 30" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter return grille Actual Filter Size – 24+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 30" OR 30" X 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 32. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 75" x 29. 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