22" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w16h16 making it a reliable choice

making it a reliable choice for improving indoor air quality

actual front end outer dimensions are approximately 30 5/8" width X 38 5/8" height

actual front end outer dimensions are approximately 38 5/8" width X 26 5/8" height -

The included eight-tumbler lock and supplied key provide secure access

22" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w16h16 making it a reliable choice+ 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