22" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter ceiling reducing electric bills and extending

reducing electric bills and extending HVAC machine lifespan

actual front end outer dimensions are approximately 21

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 6" duct openings

pair it with our butterfly dampers

22" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter ceiling reducing electric bills and extending+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 10" OR 10" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 9. 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