32" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w24h24 + Product Details Size –

+ Product Details Size – 6" x 16" or 16" x 6" is the size for the duct opening measurement only

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+ Product Details Size – 32"w X 26"h is the size for the duct opening measurement only

you can't go wrong with this decorative grill

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

32" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w24h24 + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 28" OR 28" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 30. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 27. 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