26" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return Grille and smooth surface for years

and smooth surface for years to come

+ Product Details Size - 30"w X 30"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 28 5/8" width X 16 5/8" height

these louvers are built to last

26" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return Grille and smooth surface for years+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 20" OR 20" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 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