NuToneĀ® 50 CFM Ventilation Fan. The NuToneĀ® 696N Wall/Ceiling 50 CFM Bath Fan is ideal for baths up to 45 sq.ft. It is also suitable for utility and recreation rooms up to 60 sq.ft. The attractive yet functional white polymeric grille has torsion springs that allow adjustment for thickness variances in ceilings or walls. 50 CFM, Sufficient ventilation to remove odors and pollutants from your smaller powder room or bathroom. 4.0 Audible Sones for privacy while using your bathroom. Mounts on either 16 inch or 24 inch O.C. joist or stud. Compact housing for versatile installation. Extra-large outlet box area. UL-listed; safe for use over tub or shower enclosure when installed in a GFCI protected branch circuit. Powerful enough for rooms up to 45 sq.ft.. Brighter white grilles blend in to match most common ceiling paint. Corrosion resistant galvanized steel housing stands up to moisture. Permanently lubricated AC motor engineered for continuous operation.