12" x 22" or 22" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w30h30 actual front end outer dimensions

actual front end outer dimensions are approximately 12 5/8" width X 12 5/8" height -

+ Product Details Size - 24"w X 14"h is the size for the duct opening measurement only

Experience uniform air distribution in every corner

Marked circles for cutout

Experience improved airflow dynamics and reduced noise thanks to its long neck body design

12" x 22" or 22" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w30h30 actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 12" x 22" or 22" x 12" duct opening (measured at the opening), with actual outer dimensions of 14. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 11. 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