Panasonic FV-07VBA1A EcoVent Ventilation Fan Housing - Spot Ventilation Fan - 70 or 90 CFMPanasonic FV 07VBA1A FV 07VBA1A Product Description EcoVent delivers powerful performance with a true flow rating of 56 CFM at 0. 375" static pressure (when set at the 90 CFM setting). Industry research indicates static pressure in typical installations ranges from 0. 20" to 0. 375". By installing an EcoVent, you get the assurance you need to easily comply with code and provide customers healthier homes. The built in Pick A Flow airflow selector