22" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w12h12 Actual Front End Outer Dimensions

Actual Front End Outer Dimensions Are 16" Width X 6" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 16" OR 16" x 28" duct opening (measured at the opening)

75"H – fits a 20" X 12" duct opening

+ Product Details Size – 8"w X 14"h is the size for the duct opening measurement only

22" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w12h12 Actual Front End Outer Dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 12" OR 12" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 14. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 11. 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