✅ Specification
▶ Compatible with Broan Nutone 50CFM Fan models 670, 670-A, 688/663, 688-A/B/C/D/E, 663-A/B/C/D/E, 662, 668
▶ Compatible with Broan Nutone 70CFM Fan models: 689-A/B/C/D, 671-G/H/J
▶ Compatible with Broan Nutone 80CFM Fan models: 684-A/B/C, 708-B
▶ Mounting bracket: 8 1/8 inches×8 1/4 inches
▶ Broan Nutone Part Numbers: 97012029, S97012029
✅ Please compare carefully with the parameters of your own fan motor kit before ordering