fig9 is a perspective side view of an assembled bath fan 1 of fig1 and 8 fig1 is another perspective side view of the assembled bath fan 1 of fig9 fig1 is a side cross sectional view of the assembled bath fan 1 of fig8 10 referring to fig1 11 the bath fan 1 can include a generally rectangular housing 220 having four closed sidewalls and a closed bottom that can be attached together by fasteners such as rivets screws and the like together as a single unit a side opening 223 can allow for a square end 22 of an exhaust outlet 20 to be attached thereto by fasteners as rivets screws and the like the outlet 20 can have a pivotable damper 10 mounted in the cylindrical exhaust end along opposite sidewalls of the housing 220 can be a slidable telescoping bracket 30 having an elongated portion and opposite bent tab ends 32 38 having openings for allowing the slidable bracket to be mounted to structures inside of a ceiling such as joists and the like with fasteners such as screws bolts and the like each bracket 30 can be a single elongated bracket with bent ends or can be two brackets that telescoping slide into and out of each other each bracket 30 can be slidably mounted to sides of the housing by a first pair of bent flanges 34 and a second pair of bent flanges 36 that can be formed from the sidewalls of the housing wherein each of the pairs 34 36 wraps about side edges of the elongated portion of the slidable telescoping brackets 30 referring to fig1 6 and 11 inside the opening 225 of the housing 220 can be an.