The 97006931 Range Hood Filter is a ducted filter made of aluminum. Compared to Broan part BP29, fits hood series: 11000, 40000, F40000, 42000, 46000, 52000, 53000 and some Caloric and Nutone Range Hoods Replaces or can be used instead of: G-8504, 97006931, AF4035, BP29, 4349177 and others Manufacturers’ part numbers are solely for identification. No one provides more ways to improve indoor air quality. These filters are made from the highest quality materials to provide the longest life possible and keep your range hood operating at peak performance. All materials supplied by us are our replacements for manufacturers’ parts. All product and company names are trademarks or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.