This Akicon bath fan combines powerful performance and quiet operation, running at 70 CFM with only 1.5 Sones to efficiently remove moisture and odors, creating a fresh and comfortable environment in your home. It delivers strong ventilation ideal for rooms up to 70 sq. ft., making it perfect for everyday bathroom use. It is designed for easy ceiling-mount installation and can be retrofitted in spaces with no attic access, offering great convenience for replacement and renovation projects. It with a ceiling opening of 7.6" (L) x 7.3" (W) x 4" (H) and a 3-inch duct diameter for broad compatibility. UL and HVI certified for safety and reliability, this bath fan is built to meet strict quality standards and ensure stable performance over time. Backed by a 3-year limited warranty and responsive customer service, this exhaust fan provides dependable support and a worry-free experience you can trust for years to come.