The Tineco Floor One S5 Extreme is equipped with a function that helps to remove long hair during washing. Here are the key points:

- The device includes a pet hair strainer in the waste water tank, designed to facilitate the removal of hair and prevent it from clogging the pipes.
- The floor brush is designed to effectively grab and remove hair and other debris, and the flushing system helps keep the brush clean.

So, yes, the Floor One S5 Extreme sucks in and removes long hair well, and the brush is automatically cleaned during the washing process.