Windsor Sensor Upright Vaccum Paper Bags 10 Pk # 143 Windsor Sensor Upright Vaccum Paper Bags 10 Bags per Pack Fits With Models : Windsor Sensor SR12, SR15, SR18, XP12. Also Fits With Sebo X1, X4, X5. Versamatic Plus VSP14, VSP 14, VSP-14, VSP18, VSP 18, VSP-18.. Generic (Aftermarket) Part # 143.Manufacturer OEM Part # 53-2402-06 (Just For Information)