24" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe box-shadow: 0 4px 8px rgba(0

box-shadow: 0 4px 8px rgba(0

Elevate your space's aesthetic with a luxurious touch that complements any architectural style

9% Pure Copper meeting ASTM B280 standards

+ Product Details Size – 40"w X 20"h is the size for the duct opening measurement only

24" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe box-shadow: 0 4px 8px rgba(0+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 20" OR 20" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 19. 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