Panasonic FV-40VQ3 380 CFM Ceiling Mounted Fan. Panasonic FV-40VQ3 380 CFM Ceiling Mounted Fan is from WhisperGreen Model Line that has a Quiet motor offering sufficient white noise without being to loud. The fan offers an easy instalation that uses adaptors that firmly secure onto the duct ends. The fan housing also has adjustable mounting brackets. The fan also has an Air Volume rating of 380 CFM (cubic feet per minute).