30" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coat + Product Details Durable Construction

+ Product Details Durable Construction - Made with clear

75"H – fits a 24" X 6" duct opening

box or other attachments needed

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 6" OR 6" X 18" duct opening (measured at the opening)

30" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coat + Product Details Durable Construction+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 34" OR 34" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 36. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 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