Panasonic WhisperFit DC, Pick-A-Flow 50,80,110 CFM ENERGY STAR Quiet Ceiling Bathroom Exhaust Fan w/Flex-Z Fast Install Bracket. Model # FV-0511VF1 13" L x 13" W x 6.5 H WhisperFit DC Fan features a built-in energy-efficient ECM (DC) motor with Pick-A-Flow airflow selector that allows you to select required airflow (50, 80, or 110 CFM). Single-hinged Flex-Z Fast bracket, pre-installed alignment guides, and temporary clip allow for flexible, fast, and easy installation. This vent fan enables you to utilize existing duct, while its low profile housing design ensures a proper fit in any bathroom ceiling or other areas of a home with at least 5 5/8" depth. The slide and snap-in junction box and duct collar provide greater flexibility when wiring and attaching the duct, and this premium ceiling ventilation fan now includes preinstalled plastic alignment guides and temporary retaining clip. These clips molded into the casting will allow the fan to stay in place while the installer fastens the fan into can. Highlights Retrofit Bathroom Ventilation Fan: Equipped with a revolutionary DC/ECM motor and SmartFlow technology, this whisper quiet, Energy Star-certified exhaust fan provides superior performance and easy, flexible installation Customizable Airflow: This ultra-slim fan features Pick-A-Flow technology that allows you to select your desired airflow from 50, 80 or 110 CFM at the flip of a switch for your room size and usage needs Easy Installation: Flex-Z Fast Bracket simplifies installation with a single-hinge bracket for easy positioning; Low-profile 5-5/8" housing depth fits in 2 x 6 joist size or larger Explore Our Selection: We offer a wide range of vent fans including fans with LED lights, timers, heaters, and condensation sensors for humidity control, plus installation kits, soffit vents, replacement motors and fan cover grilles Healthy Living Begins with Clean Indoor Air: Ensure a healthy home for your family with our high-performance Panasonic ventilation systems, air purification devices and HVAC solutions