6" x 6" Steel Fixed Bar Return Grille - Sidewall and Ceiling Filter Grille If you are looking to

If you are looking to enhance your project with a top-of-the-line unit

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+ Product Details Size - 30"w X 4"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 32"h is the size for the duct opening measurement only

[Outer Dimensions: 12

6" x 6" Steel Fixed Bar Return Grille - Sidewall and Ceiling Filter Grille If you are looking to+ Product Details Size 6"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 2" wider. High Quality High quality steel with counter sunk screw holes (screws included) and no sharp edges. Installation Location Sidewall and ceiling. Design Heavy gauge steel. Heavier gauge than needed, built for durability and long life in mind, and yet lightweight and easy to handle. Noise free components no