12" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 14 5/8"] RG66 Black-HP actual front end outer dimensions

actual front end outer dimensions are approximately 14 5/8" width X 12 5/8" height

All of these grills have dampers

+ Product Details Size - 24"w X 20"h is the size for the duct opening measurement only

our grill boasts an impressive 96% airflow capacity

North America's hub for top-quality HVAC solutions

12" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 14 5/8"] RG66 Black-HP actual front end outer dimensions+ Product Details Size 12"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 14 5 8" height Actual Filter Size 11 3 4"w x 11 3 4" x 1" High quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter