26" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible With Duct 12in Center Core is Removable for

Center Core is Removable for Easy Access and Maintence

please note that the total outer dimensions of the grille measure 14" in diameter

Slots Are Angled to Diversify The Airflow In 2 Way Direction - Great for Wall and Floor & ceiling Applications

+ Product Description Upgrade your HVAC system with our heavy-duty

26" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible With Duct 12in Center Core is Removable for+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 30" OR 30" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 32. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 29. 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