36" X 18" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 20 5/8"] ceiling actual front end outer dimensions

actual front end outer dimensions are approximately 10 5/8" width X 10 5/8" height

85" width X 9

5" - SEE BELOW IN DESCRIPTION How To Measure A Grille

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

actual front end outer dimensions are approximately 26 5/8" width X 26 5/8" height

36" X 18" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 20 5/8"] ceiling actual front end outer dimensions+ Product Details Size 36"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 20 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