BRN1113: Features: -Ultra silent bathroom fan.-80 CFM fan available in 1.0 sones.-110 CFM fan available in 1.5 sones.-White grille.-Dynamically balanced centrifugal blower wheel for quiet and efficient performance.-Low RPM for quiet operation.-Can be mounted in ceilings up to 12 / 12 pitch.-HVI - 2100 certified.-UL listed for use over tub...