26" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Diameter + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 32" OR 32" x 22" duct opening (measured at the opening)

The 1/2" white insulation

provides a modern look and quiet operation due to its half-inch by half-inch cube design

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 16" OR 16" X 14" duct opening (measured at the opening)

26" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Diameter + Product Details Perfect Fit+ 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