Nearly silent but powerfully functioning, the Panasonic FV-10VS3 Bathroom Fan, 100 CFM WhisperValue Super Low Profile Ventilation - for 4" Oval Duct is a pinnacle for small bathroom ventilation systems. Now even small bathrooms can experience full ventilation as this ultra quiet fan operates by flowing air at 100 cubic feet per minute (CFM). Rust, heat and wear resistant, the Panasonic FV-10VS3 bathroom fan is Energy Star rated and designed to operate continuously without fail. Its compact design makes the Panasonic FV-10VS3 Bathroom Fan, 100 CFM WhisperValue Super Low Profile Ventilation - for 4" Oval Duct is ideal for smaller bathroom placement. Easily installable mounting brackets allow for quick installation, and its 4” ovular shape can be placed almost anywhere for easy ventilation on both walls and ceilings. The Panasonic FV-10VS3 bathroom fan is shipped with a three year manufacturer’s warranty from Panasonic and the unit itself is designed to last you countless years. Both rust and heat resistant, this duct fan is perfect for continuous use.