This vacuum bag is designed for use with Concept One, Concept Two, Constelation, Commercial Lightweight, Commercial Guardsman, Decade 80, Decade 800, Elite, Encore, Futura, Innovation, Legacy, Preferred, PowerMAX, RS, Runabout, Soft & Light, Spectrum, Spirit, Sprint, Supremacy, Tempo, Top Fill Convertible, TurboPower 1500, 2000, 2200, 3000, 3200, 4000, 4200, Widepath Preferred Upright Models