WhisperCeiling DC Precision Spot ventilation fan with built-in Pick-A-Flow speed selector switch allows you to select your required airflow (110-130-150 CFM). Features an ECM motor with SmartFlow technology and a Flex-Z Fast installation bracket. Can be used to comply with the latest codes and standards. Panasonic WhisperCeiling 0.3-Sone 150-CFM White Bathroom Fan ENERGY STAR | FV-1115VQ1