De-tangling brush bar removes stubborn dirt, ground-in dust, long hair and pet hair from pet beds, car seats and stairs. Fast. Motor-driven cleaning for smaller spaces. Automatically de-tangles. The de-tangling conical brush bar spirals hair straight into the bin as you clean to prevent wrapping around the brush bar. Powerfully picks up dust, long hair and pet hair. A motor inside the brush bar generates powerful pick up on upholstery, mattresses and other dirty spots around your home easily. Engineered to fit Dyson V15 DetectTM, OutsizeTM, V11TM, Cyclone V10TM and V8TM cordless vacuums.