24" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w20h20 + Product Details Size –

+ Product Details Size – 25"w X 34"h is the size for the duct opening measurement only

Quality Packaging – Carefully shrink wrapped with cardboard backing to prevent damage in shipment

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+ Product Details Size – 26"w X 16"h is the size for the duct opening measurement only

24" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w20h20 + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 34" OR 34" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 36. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 33. 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