8" x 24" or 24" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 26.5"] Color_R-8.0 Pink [Outer Dimensions: 10

[Outer Dimensions: 10

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 6" duct openings

Actual Filter Size – 9 3/4"w x 31 3/4" x 1"

+ Product Spec Sheet Round Ceiling Diffuser Spec Sheet

+ Product Details Size - 34"w X 10"h is the size for the duct opening measurement only

8" x 24" or 24" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 26.5"] Color_R-8.0 Pink [Outer Dimensions: 10+ Product Details Perfect Fit & Easy Sizing Designed for a 8" x 24" or 24" x 8" duct opening (measured at the opening), with actual outer dimensions of 10. 5" W x 26. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 7. 75" x 23. 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