30" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter white + Product Details Size -

+ Product Details Size - 22"w X 28"h is the size for the duct opening measurement only

Whether you choose the modern contemporary

Actual Filter Size – 13 3/4"w x 19 3/4" x 1"

rust-resistant aluminum

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 + Product Details Size -+ 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