[Perfect Compatibility] This is the replacement of the soft roller brush bar, perfectly compatible with the vacuum cleaner lint head for V6 V7 V8 V10 V11 soft roller cleaning head. Note: It is only suitable for lint heads. [Reason to Replace the Fluffy Roller Brush Bar] When your brush bar is so worn that it can no longer feed trash into the bin, the hair wraps around the roller so that the bar cannot roll, or the soft bristles on the bar have fallen off or are damaged, you will need to replace the vacuum head roller brush bar. [Premium Quality] The floor roller head brush bar is made of high-quality material, and wear-resistant. The vacuum head brush bar is smooth and easy to push in, so that it protects your floor from scratches. It easily rolls the trash into the vacuum cleaner dustbin. [Please note] It is important to change the soft roller head brush strips regularly to protect the battery and vacuum cleaner brush heads. Make it easier to suck the trash into the dustbin to keep