12" x 14" or 14" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 14.5" X 16.5"] Copper Coil-Insulated Line Set Actual Front End Outer Dimensions

Actual Front End Outer Dimensions Are 42" Width X 18" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Size – 16" x 22" or 22" x 16" is the size for the duct opening measurement only

+ Product Details Outer dimensions: 9

+ Product Details Size - 24"w X 34"h is the size for the duct opening measurement only

Actual Filter Size – 33 3/4"w x 35 3/4" x 1"

12" x 14" or 14" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 14.5" X 16.5"] Copper Coil-Insulated Line Set Actual Front End Outer Dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 12" x 14" or 14" x 12" duct opening (measured at the opening), with actual outer dimensions of 14. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 11. 75" x 13. 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