Broan RN80L Ultra Pro Series Single-Speed Fan with Light (80 CFM, 0.3 Sones) 80 CFM reduces humidity to quickly eliminate fogged mirrors and manage moisture in bathrooms up to 75 square feet, so your vision will always be clear and your surroundings will always be comfortable Stream Technology - State-of-the-art blower design with airflow-smoothing baffles optimally smoothest airflow and reduce turbulence so the wheel can turn more slowly and quietly with no airflow loss Flow Technology - Duct connector damper flap is completely removed from airstream to reduce static pressure again, allowing the blower to turn more slowly and quietly, Damper also seals against perimeter surfaces when closed to prevent backdrafts ULTRA Lucent Lighting Technology provides 36 watt lights (two 18-watt bulbs included) delivering the brightness (measured in lumens) of models previously requiring 60 watts of CFL output ULTRA Quick Installation Technology uses an exclusive telescoping mounting frame with pre-installed screws, snap-in housing, snap-in blower and an inside-out mounting duct connector