24" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_Anodized Aluminum + Product Details Size -

+ Product Details Size - 4"w X 18"h is the size for the duct opening measurement only

+ Product Details Size - 26"w X 8"h is the size for the duct opening measurement only

this solid-base guard ensures long-lasting performance with minimal hassle

+ Product Details Size – 30"w X 18"h is the size for the duct opening measurement only

+ Why Hvac Premium HVAC Premium has been providing superior quality service for many years

24" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_Anodized Aluminum + Product Details Size -+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 26" OR 26" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 28. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 25. 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