26" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Round Damper Ring 75" Width X 17

75" Width X 17

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

+ Product Details Size – 34"w X 24"h is the size for the duct opening measurement only

Filter Size - 19

26" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Round Damper Ring 75" Width X 17+ 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