Quote Originally Posted by CarlD View Post
The Polaris 165 runs off the return to your pool, not a separate booster pump. It's very good for larger debris but not the fine stuff.
The 360 and the Pentair Letro Legend II also do not need a booster pump, can climb walls, and can filter out finer stuff, especially if you get the optional fine silt bag. However they are quite a bit more money than the 165.