ET-1 Power head (red) for K3 and D4. DESIGNED TO VACUUM CARPETS AND HARD FLOORS Ð SEBO power heads are recognized worldwide as the most reliable and best designed on the market. They are virtually maintenance free and feature warning systems and automatic shut-off capabilities designed to protect the machine and assure optimum performance. Brush roller removal is quick and easy, so it can be cleaned or replaced if the bristles are worn, ensuring consistently effective brush agitation. They also offer electronic overload protection that extends belt life by shutting off power if an obstruction jams the brush roller. And do not worry about pet clean up. All SEBO power heads easily remove pet hair!