8" x 22" or 22" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 24.5"] Grilles Actual Filter Size – 25

Actual Filter Size – 25 3/4"w x 7 3/4" x 1"

Actual Filter Size – 7 3/4"w x 31 3/4" x 1"

High Quality – Solid rigid steel body for durability and reliability with dampers operable by switch for airflow directional control

+ Product Details Size – 12"w X 20"h is the size for the duct opening measurement only

With precise measurements for seamless integration

8" x 22" or 22" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 24.5"] Grilles Actual Filter Size – 25+ Product Details Perfect Fit & Easy Sizing Designed for a 8" x 22" or 22" x 8" duct opening (measured at the opening), with actual outer dimensions of 10. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 7. 75" x 21. 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