SEBO Wall and Floor Brush fits many SEBO Vacuums, including but not limited to theFelix 1, Felix 2, Felix 4, G1, G2, C2.1, C3.1, D4, Airbelt K2 Kombi, Airbelt K2 Turbo, Airbelt K3, Automatic X4, Automatic X5, and Electronic 370 models.