Mounting Kit and Brackets, Outside Height 9 5/8 in, Outside Width 12 3/8 in, Frame Extends 3 7/8 in, For Use With Mfr. No. Broan Models 170 Thru 178, Mounting Type Surface, White, Fits kW 0.5 to 1.5, Rough-In Height 9 5/8 in, Rough-In Width 12 3/8...