Parts Store Search through the catalog below to find your unit. NuTone Customer Service Email or Call 888-336-3948 Hours: M-F 8:30 am - 5 pm EST We accept: We ship via: Order Policies | Privacy Alaska, Hawaii, & International Customers must call 888-336-3948 3 available items: page 1 Model #: GSFH1K Guardian Plus Air Filtration Model #: GSHH3K Guardian Plus Air Filtration Model #: GSVH1K Guardian Plus Air Filtration   In U.S.A. Call: 888-336-3948 In Canada Call: 1-905-670-2500 Privacy 2009 Broan-NuTone LLC Technical Support: 888-336-6151 Customer Service: 888-336-3948 Contact Us!