25" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 27 5/8" X 27 5/8"] 18" Diameter + Product Details Size – Height_14in WD G128 hp jblade overlay

+ Product Details Size – 12"w X 26"h is the size for the duct opening measurement only

Design – Easy unrestricted airflow for your HVAC system - 50° angled to provide maximum airflow

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

+ Product Details Size – 12"w X 22"h is the size for the duct opening measurement only

The grille comes with all necessary screws for a secure fit

25" X 25" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 27 5 8" X 27 5 8"] 18" Diameter + Product Details Size – Height_14in WD G128 hp jblade overlay + Product Details Size – 12"w X 26"h is the size for the duct opening measurement only Design – Easy unrestricted airflow for your HVAC system 50° angled to provide maximum airflow