16" X 25" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 27 5/8"] RG66 Black-HP + Product Details Size -

+ Product Details Size - 12"w X 24"h is the size for the duct opening measurement only

Efficient Airflow Design: The slots are meticulously angled to diversify airflow in two directions

+ Product Details Size - 22"w X 34"h is the size for the duct opening measurement only

By means of the smooth surface

+ Product Details Size – 25"w X 12"h is the size for the duct opening measurement only

16" X 25" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 27 5/8"] RG66 Black-HP + Product Details Size -+ Product Details Size 16"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 27 5 8" height. High Quality high quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Ceiling Design Fixed hinged for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and