Additional Details ------------------------------ Product description: Designed to fit: Windsor Sensor # 5300 Plastic mount on bag (Original Windsor Sensor is green), Versamatic Plus, Sebo manufacture bag # X/C/370, Part # 5093, Century 400 U Vac, Sears Kenmore Professional Upright Vacuum # 20-50015. Fits these models series and others: Windsor sensor SR12, SR 12, SR-12, SR15, SR 15, SR-15, SR16, SR 16, SR-16, SR17, SR 17, SR-17, SR18, SR 18, SR-18, Sensor XP12, Versamatic Plus VSP14, VSP 14, VSP-14, VSP18, VSP 18, VSP-18 Sebo automatic X1, X4, X5, XP2, XP-2, XP 2, BS 36, BS36, BS-36, 370 electronic, Professional G1, G 1, G-1 Sebo Canister model C2,C3, K2, K3 Sears Kenmore Pro 12 & 15 upright series, (with locking green clip)