14" x 14" - 4-Way Curved Blade Supply Air Grille - Maximum Air Flow Aluminum + Product Details Size –

+ Product Details Size – 8" round duct opening

+ Product Details Size – 30"w X 14"h is the size for the duct opening measurement only

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+ Product Details Size – 30"w X 34"h is the size for the duct opening measurement only

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

14" x 14" - 4-Way Curved Blade Supply Air Grille - Maximum Air Flow Aluminum + Product Details Size –+ Product Details Size 14"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 15. 75" height. High Quality high quality steel with counter sunk screw holes (screws included) and no sharp edges, equipped with a lever for airflow dampening. Installation Location sidewall and ceiling. Design rigid gauge built for durability and long life in mind, but still light and handy. Powder