Specification Binding : Kitchen Brand : From TVP Design To Fit Nutone Color : White Label : Top Vacuum Parts Manufacturer : Top Vacuum Parts Model : CV350, CV353, CV450, CV750 except CV850 PartNumber : 505 ProductGroup : Home ProductTypeName : HOME Publisher : Top Vacuum Parts Size : 3 Bags SmallImage_Height : 75 SmallImage_URL : http://ecx.images-amazon.com/images/I/51CAoL5uoDL._SL75_.jpg SmallImage_Width : 75 Studio : Top Vacuum Parts Title : Nutone Microlined Central Vacuum Bags 391, CF391 6/gal Allergen by Envirocare 3PK # 505