18" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinge - [Outer Dimensions: 20 5/8" X 32 5/8"] Material_Steel our product offers both aesthetic

our product offers both aesthetic appeal and efficient airflow

the gap will expand and retract to meet perfect air supply needed

please note that the total outer dimensions of the grille measure 8" in diameter

Actual Filter Size – 13 3/4"w x 13 3/4" x 1"

18" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinge - [Outer Dimensions: 20 5/8" X 32 5/8"] Material_Steel our product offers both aesthetic+ Product Details Size 18"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 20 5 8" width X 32 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