26" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter White 75" width X 29

75" width X 29

+ Product Details Size - 28"w X 30"h is the size for the duct opening measurement only

you can attain the diameter of the vent

With its compact size and high-quality materials

+ Product Details Size – 26"w X 8"h is the size for the duct opening measurement only

26" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter White 75" width X 29+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 32" OR 32" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 31. 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