30" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_R-8.0 Pink 75"H – fits a 16"

75"H – fits a 16" X 10" duct opening

Mounted with frame and bayonet joint which are included

Installation Location – sidewall and ceiling

High Quality – Commercial grade aluminum - will never rust - designed for warehouses

+ Product Details Size - 3" Diameter is the size for the duct opening measurement only

30" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_R-8.0 Pink 75"H – fits a 16"+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 20" OR 20" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 19. 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