14" X 24" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 16 5/8" X 26 5/8"] 8" Diameter + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 10"w X 18"h is the size for the duct opening measurement only

it ensures long-lasting durability

Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment

Premium Airflow Efficiency - High-performance cube core eggcrate design allows 95% airflow efficiency

Actual Filter Size – 7 3/4"w x 33 3/4" x 1"

14" X 24" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 16 5 8" X 26 5 8"] 8" Diameter + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 10"w X 18"h is the size for the duct opening measurement only it ensures long lasting durability