USI Electric manufactures a line of bath fans and bath fan accessories that are ideal for moving air and pulling out moisture in personal or public restrooms. They maintain a normal humidity level and prevent mold, mildew, and odors from forming.
USI Electric Plastic Duct Adaptor Replacement Part for Bath Fans, 4-Inch Duct features:
- Designed for use with USI bathroom exhaust fans that connect to 4-inch ducts.
- This part replaces worn or broken duct adaptor on BF-504, BF-504L, BF-504LF, BF-504BA, BF-704, BF-704L, BF-704LF, BF-704LH, BF-704HB, BF-704BA and BF-704L models.