16" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Diameter Contorl Lever To Adjust Louvers

Contorl Lever To Adjust Louvers According To Season - Complete Open For Summer To Release The Heat

+ Product Description Enhance your HVAC system with our premium Aluminum Double Deflection Adjustable Air Supply Diffuser

Premium Plated Finish and Modern Contempo Design Forming a Luxurious Piece

+ Product Details Size - 20"w X 25"h is the size for the duct opening measurement only

+ Product Details Size – 14"w X 36"h is the size for the duct opening measurement only

16" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Diameter Contorl Lever To Adjust Louvers+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 10" OR 10" X 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 75" x 9. 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