The is the best sweeper ever. This Bissell Pet Hair Eraser does just that. I have 10 cat and I couldn't believe the first time I used it how much dirt and hair were in the canister and the Bissell was replacing a Dyson! My carpets looked new after sweeping with the Bissell Pet Erase and it's true, the brush roller does stay clean. Don't hesitate when selecting a sweeper, the Bissell Pet Eraser is the best!