The Panasonic FV-08VFL4 WhisperFit-Lite Bathroom Fan w/ Light is an 80 CFM ceiling mounted fan/light combination that is ENERGY STAR Qualified for savings. The WhisperFit-Lite Series incorporates a totally enclosed condenser motor design with a large, double suction blower to quietly move air at a superior 80 CFM. The powerful operation uses less energy than competing models through the advanced aerodynamic fan design. The Panasonic FV-08VFL4 has a high CFM to watt ratio, saving enough energy to pay for itself over time (in savings). The Panasonic FV-08VFL4 WhisperFit-Lite Bathroom Fan w/ Light 10.25” x 10.25” and is 5.75” tall. The 4” duct will connect to existing 4” flexible ducting, or other sized with the additional of a adapter. The double hanger bar system provides an easier installation, while saving you money on labor during the install. The Panasonic FV-08VFL4 WhisperFit-Lite Bathroom Fan w/ Light uses two 13W self-ballasted GU24 CFL lamps and is Energy Star rated for energy efficiency.