BATH FAN/LIGHT/HEATER: Fan/light/heater unit has quiet aluminum squirrel cage blower wheel and 2-motor system with individual controls for fan, heater, and light. White plastic 10-1/4 x 15-1/2 grille, Lexan light lens. 8-1/4 x 14-1/4 x 5-3/4 housing, fits joists as small as 6 . 4 adjustable mounting brackets have 24 span. Uses up to one 1...