16" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum 18in diameter 1/2” - 3119 PSI

1/2” - 3119 PSI

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

Designed for both wall and ceiling applications

Its elegant look and fine finish and the natural warmth of oak wood

R Value Rating of Insulation - R3

16" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum 18in diameter 1/2” - 3119 PSI+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 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 Made from