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

+ Product Details Size – 8" round duct opening

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

+ Product Details Size – 12" x 12" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 36 5/8" height

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

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