8" x 32" or 32" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 34.5"] 10in diameter + Product Details Heavy-Duty Steel

+ Product Details Heavy-Duty Steel Construction - Made from 20-gauge steel for superior strength and durability

+ Product Details Size - 16"w X 22"h is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10" X 6" duct openings

Actual Filter Size – 13 3/4"w x 27 3/4" x 1"

our Circular Air Supply Valves are ideal for low and medium pressure ventilation air conditioning systems

8" x 32" or 32" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 34.5"] 10in diameter + Product Details Heavy-Duty Steel+ Product Details Perfect Fit & Easy Sizing Designed for a 8" x 32" or 32" x 8" duct opening (measured at the opening), with actual outer dimensions of 10. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 7. 75" x 31. 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