30" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter white rust-resistant aluminum

rust-resistant aluminum

actual front end outer dimensions are approximately 32 5/8" width X 26 5/8" height

+ Product Details Size - 34"w X 36"h is the size for the duct opening measurement only

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Durable and Long-Lasting – Built with high-impact clear plastic and premium materials for dependable performance

30" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter white rust-resistant aluminum+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 28" OR 28" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 30. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 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