30" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w6h6 actual front end outer dimensions

actual front end outer dimensions are approximately 32 5/8" width X 10 5/8" height -

75"H – fits a 14" X 6" duct opening

75"H – fits a 14" X 4" duct opening

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+ Product Details Size – 34"w X 20"h is the size for the duct opening measurement only

30" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w6h6 actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 22" OR 22" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 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