24" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe this air vent diffuser is

this air vent diffuser is built to last

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

+ Product Details Size – 25"w X 14"h is the size for the duct opening measurement only

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 this air vent diffuser is+ 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