Panasonic WhisperGreen Select Ceiling Mount Exhaust Fan, Customizable, 110-130-150 CFM, FV-0511VK2

The WhisperValue DC FV-0510VS1 Fan is the perfect multifamily vent fan solution. Its also ideal for single family and manufactured homes. As the lowest-profile Energy Star certified fan available, it actually fits in a 2x4 stud bay. The low profile, 3-3/8 housing depth and unique L-shaped bracket allow this fan to be installed virtually anywhere-in bathroom ceilings or walls.The revolutionary ECM motor with intelligent self-adjusting SmartFlow technology senses the amount of resistance in the duct run and automatically adjusts the fan speed to deliver the optimal CFM output, even in the case of a complicated duct run. The Panasonic ECM motor with SmartFlow technology moves more air using less energy, so the vent fan is more energy efficient and lasts longer.Built-in Pick-A-Flow airflow selector provides the unique ability to select your required airflow (50-80-100 CFM) with the simple flip of a switch. Being able to choose the proper CFM level gives you the flexibility and assurance that one fan will satisfy a range of ventilation design requirements and perform as promised, even with a complicated duct run.The extremely thin profile WhisperValue DC exhaust fan opens up options for where you can install the fan, which is UL listed for ceiling or wall mount. Installing a vent fan in a wall means that you wont need to cut a hole in the fire-rated ceiling and then buy a radiation damper to meet fire-resistance requirements in the building code. In a multifamily housing development, this means Big savings.FeaturesPrecision spot bathroom ceiling fan, ideal for residential construction (single and multifamily) and manufactured homesRevolutionary ECM motor with SmartFlow technology for optimum CFM outputPick-A-Flow Airflow Selector-one fan, you choose the CFM (50, 80 or 100 CFM)