20" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Black Traditional HVAC systems were designed

Traditional HVAC systems were designed for cold air

with actual outer dimensions of 8

Actual Filter Size – 11 3/4"w x 19 3/4" x 1"

Our T bar drop ceiling grills are renowned for their exceptional 360-degree airflow capability

Featuring a multi-shutter damper with an easy-access lever

20" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Black Traditional HVAC systems were designed+ Product Details Perfect Fit & Easy Sizing Designed for a 20" x 6" OR 6" x 20" duct opening (measured at the opening), with actual outer dimensions of 22. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 19. 75" x 5. 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 Made