22" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter d Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 25 3/4" x 1"

This thoughtful design ensures optimal air circulation for your HVAC system

+ Product Details Size - 22"w X 4"h is the size for the duct opening measurement only

Exceptional Craftsmanship: Hand-inspected for quality

You may think of grilles and registers as a generic component of the ventilation system in your house

22" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter d Actual Filter Size – 27+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 8" OR 8" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 10. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 7. 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