BRN1109: Features: -Ultra silent bathroom fan.-80 CFM fan available in 0.8 sones.-110 CFM fan available in 1.3 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.-Energy star.-UL listed for use over tub / shower...