Broan-Nutone 70 Cfm Bath Fan Replacement Motor Kit Improve Your Indoor Air Quality In Less Than 10 Minutes With The Broan-Nutone Re70Bn Replacement Motor Kit. This Is An Easy Diy That Does Not Require Wiring. Drywall Cutting Or Repair. The Re70Bn Is A Direct Replacement For 70 Cfm Fans (Select Models). It Also Delivers Up To 40% More Power For 50 Cfm Fans (Select Models). Keeping Your Air Fresh. The Re70Bn Is An Easy. Quick Answer To A Bathroom Exhaust Fan That Is No Longer Working Properly. Is Noisy Or Simply Needs An Upgrade. Included Are A Motor. Blower Wheel. (2) Motor Mounting Plates And Hardware. This Kit Contains Genuine Broan-Nutone Replacement Parts. Guaranteed To Fit. All Parts Are Designed. Tested. And Certified To Ensure Your Product Runs At Peak Performance.