Comparing the Roomba i4 EVO with the Roomba i8+ pits a midrange robot vacuum against a high-end model. Both models share a lot of features, but there are several key differences, too. Which comes ...

Roomba robovacs consistently score highly ... There's the usual dual rubber rollers plus edge brush. Like the i8 and j5 Combo models, the mop and vacuuming systems are completely separate, and ...

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