16" x 22" or 22" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible With Duct 10in or office environments

or office environments

actual front end outer dimensions are approximately 18 5/8" width X 30 5/8" height

actual front end outer dimensions are approximately 28 5/8" width X 18 5/8" height

875" width X 26" height

16" x 22" or 22" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible With Duct 10in or office environments+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 22" OR 22" X 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 75" x 21. 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