Sebo, Windsor Sebo X4 & Windsor SR-12 Sensor Upright Vacuum Brush Core { Roller Brush } Genuine Part # 5010AM Genuine Part # 5010AM Fits Models : X1, XP1, X4, G1, DART1, FELIX1, SR-12, Fits Models : X1, XP1, X4, G1, DART1, FELIX1, SR-12,