30" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Width_20in 85" width X 11

85" width X 11

Actual Filter Size – 33 3/4"w x 19 3/4" x 1"

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+ Product Details Size - 4"w X 30"h is the size for the duct opening measurement only

+ Product Details Size - 22"w X 22"h is the size for the duct opening measurement only

30" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Width_20in 85" width X 11+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 32" OR 32" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 31. 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