The DuoVac Filtre-196-D Cloth Bags, (Also known as Filtre-196-DV) Is designed to fit the following DuoVac models: DuoVac Solution, DuoVac Sensa, DuoVac Select Plus, DuoVac Air 50, DuoVac Star, DuoVac Star Plus, DuoVac Distinction, DuoVac 170i, DuoVac Symphonia, DuoVac Anniversary, DuoVac Signature, DuoVac Design 750AW, DuoVac Premium Enforcer, DuoVac Design 655AW, DuoVac Premium Colossus, and DuoVac Premium Torpedo.