Mounting Kit and Brackets, Outside Height 21 5/8 in, Outside Width 17 3/4 in, Frame Extends 3 3/4 in, For Use With Mfr. No. Broan Models 192, 194 and 198, Mounting Type Surface, White, Fits kW 0.5 to 1.5, Rough-In Height 21 5/8 in, Rough-In Width 17...