This “Invent” Series bathroom fan from Broan reduces humidity in a bathroom up to 105 square feet. A retrofit installation can be done entirely in the room. No attic access required. EzDuct connector. Damper with TrueSeal technology. Reduces air leakage by up to 50% compared to competitive models, resulting in better home performance via blower door tests and reducing cold and warm air backdrafts. UL listed for use over a tub or a shower with a GFCI circuit connection. Includes foldable mounting ears, a new damper and housing technology that improves building airtightness. | Broan Bathroom Fan – Invent Series – 110 CFM AR110C Broan | Bathroom Fan – Invent Series – 110 CFM .