14" x 14" - 4-Way Curved Blade Supply Air Grille - Maximum Air Flow w30h30 making it ideal for preventing

making it ideal for preventing tampering or unauthorized adjustments

offering maximum flexibility

actual front end outer dimensions are approximately 12 5/8" width X 8 5/8" height -

+ Product Details Size - 18"w X 28"h is the size for the duct opening measurement only

14" x 14" - 4-Way Curved Blade Supply Air Grille - Maximum Air Flow w30h30 making it ideal for preventing+ 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