24" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Adjustable Return + Product Details Size –

+ Product Details Size – 16"w X 22"h is the size for the duct opening measurement only

8-1/8"H x 4-5/8" W x 3-5/8"D

Install 2 Vents

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 6" OR 6" x 22" duct opening (measured at the opening)

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

24" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Adjustable Return + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 8" OR 8" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 10. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 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