Fits models Sanitaire SANITAIRE EON SC5500, SC5505, S5000 Series Upright Vacuums. Also compatiable with WINDSOR Sensor (S2, SR12, SR15, SR18) Upright Vacuums; WINDSOR Versamatic Plus VSP14, VSP18 Upright Vacuums; SEBO X1, X4, X5, XP2 Upright Vacuums and Canister Vacuums and KENMORE Professional 12 and 15 series Upright Vacuums.