50/80/110 CFM Ceiling Mount Bathroom Fan with Pick-A-Flow and 4 Inches Duct

● 50/80/110 CFM large airflow capacity for enclosed room up to 50-120 sq. ft
● 0.3/0.8/1.5 sones low noise won't disrupt the tranquility of your bathroom
● Galvanized sheet housing for longevity and continued performance
● Multi-blade wind wheel maximizes ventilation efficiency
● Advanced check valve to avoid backflow of dirty air
● 2 ways to install: joist mounting or wall mounting
● With both Energy Star and HVI certifications for reliable use
● Wiring diagram: black-lead wire green-ground wire white-neutral wire