40" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 42 5/8" X 12 5/8"] sidewall actual front end outer dimensions

actual front end outer dimensions are approximately 26 5/8" width X 38 5/8" height

+ Product Details Size – 30"w X 8"h is the size for the duct opening measurement only

You may think of grilles and registers as a generic component of the ventilation system in your house

with actual outer dimensions of 12

5" - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE

40" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 42 5/8" X 12 5/8"] sidewall actual front end outer dimensions+ Product Details Size 40"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 42 5 8" width X 12 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