NUTONE® InVent™ Series Single-speed fan reduces humidity to quickly eliminate fogged mirrors and manage moisture in bathrooms up to 105 square ft. Retrofit installations can be done entirely from the room-side no attic access required. This means a faster, easier installation. With TrueSeal™ damper technology, InVent fans reduce air leakage by up to 50% compared to competitive models. EzDuct™ connector can be installed room-side with no attic access required. ENERGY STAR® Qualified.