28" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w8h8 + Product Details Size –

+ Product Details Size – 28"w X 6"h is the size for the duct opening measurement only

powder-coated finish adds a touch of elegance while also being scratch-resistant

Carefully shrink wrapped with cardboard backing to prevent damage in shipment

+ Product Details Size – 8" x 26" or 26" x 8" is the size for the duct opening measurement only

28" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w8h8 + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 28" x 16" OR 16" x 28" duct opening (measured at the opening), with actual outer dimensions of 30. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 27. 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