26" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Round Damper Ring strong aluminum construction with smooth

strong aluminum construction with smooth finished edges for easy and safe use

Filter Size - 19

with actual front end outer dimensions of 7"

75"H – fits a 10" X 10" duct opening

Our Aluminum Ceiling Diffuser is not only a design marvel but also a practical choice for your HVAC system

26" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Round Damper Ring strong aluminum construction with smooth+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 28" OR 28" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 30. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 27. 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