32" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder Coated + Product Details Size –

+ Product Details Size – 22"w X 36"h is the size for the duct opening measurement only

+ Product Details Size – 12"w X 6"h is the size for the duct opening measurement only

allowing you to choose the best option to suit your airflow needs

+ Product Details Size – 22" x 22" is the size for the duct opening measurement only

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32" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder Coated + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 16" OR 16" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 15. 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