22" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe Scratch-Resistant Finish - The powder-coated

Scratch-Resistant Finish - The powder-coated surface offers a smooth

+ Product Description Enhance your HVAC system with our Aluminum Return Filter Linear Bar Grille

actual front end outer dimensions are approximately 9

and its seamless drop-in installation process ensures effortless setup

22" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe Scratch-Resistant Finish - The powder-coated+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 18" OR 18" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 20. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 17. 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