22" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Round Duct Pipe box-shadow: 0 0 6px rgba(82

box-shadow: 0 0 6px rgba(82

actual front end outer dimensions are approximately 34 5/8" width X 24 5/8" height

75"H – fits a 6" X 6" duct opening

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

[Outer Dimensions: 14

22" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Round Duct Pipe box-shadow: 0 0 6px rgba(82+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 6" OR 6" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 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