Broan 763RLNB Finish Pack (Fan/Light Motor/Grille Assembly - 50 CFM) Fan/Light Motor/Grille Assembly 50 CFM, 2.5 Sones Uses 763RL769RLA or 763RL769RLAWHB housing pack UL Listed for use over bathtubs and showers when connection a GFCI protected branch circuit Fits 2" x 6" ceiling construction