are there 47 different Roombas?

Here’s the one you actually want. If you’ve ever stood in the vacuum aisle or stared at iRobot’s website, you know the feeling. Roomba, Roomba S, Roomba i, Roomba j, Roomba Combo, Roomba Essential – and then sub-models with plus signs and numbers that might as well be lottery tickets. I’ve owned five different Roombas over the years, and even I get cross-eyed trying to remember

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