30" x 16" or 16" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Round Duct Pipe The premium durable material guarantees

The premium durable material guarantees that they will never rust or wear through

75"H – fits a 8" X 6" duct opening

+ Product Details Size – 14"w X 12"h is the size for the duct opening measurement only

This grille has a high standard of design

30" x 16" or 16" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Round Duct Pipe The premium durable material guarantees+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 16" OR 16" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 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