If you are looking for the best Roomba for pet hair, then you should check Roomba pet series, such as Roomba Pet Series 562 Vacuum Cleaning Robot.
Roomba 562 Review:
iRobot Roomba Pet Series 562 Vacuum Cleaning Robot is designed particularly for helping pet owners tackle hairy situations.
It is able to pick up dog hair, cat hair, kitty litter, dirt, allergens, debris, and more. Works well on both hard floors and carpets, and the good thing is, it can adjust automatically between hard floors and carpets. By using its scheduling feature, you can preset the vacuuming times and the Roomba 562 will vacuum automatically. This vacuum has a sweeper bin and a vacuuming bin which are interchangeable and good for heavy duty cleaning. It also has a set of brushes that help keep the vacuum always vacuuming at its peak performance.
Pros of iRobot Roomba 562:
Vacuums on schedule automatically.
Does a good job removing pet hair from rugs, carpets, and hard floors.
Good for cleaning dirt under furniture and other hard to reach spaces.
Cons of iRobot Roomba 562:
It is not for cleaning stairs.
Sometimes it may get wedged and get stuck on some things, such as jewelry and ribbons, while vacuuming.
It need frequent maintenance, you have to clean it often.