8" x 8" Steel Fixed Bar Return Grille - Sidewall and Ceiling 18" Round Duct Pipe You may think of grilles

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

+ Product Details Size - 18"w X 8"h is the size for the duct opening measurement only

with actual outer dimensions of 12

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8" x 8" Steel Fixed Bar Return Grille - Sidewall and Ceiling 18" Round Duct Pipe You may think of grilles+ Product Details Size 8"w X 8"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