“What is the difference between Roomba Model 890 and Model 891?”

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• 891 does not come with a virtual wall device.

  Answered by Brickcity 6 years ago

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• Spare parts and virtual wall accessory.

  Answered by Mumu 6 years ago

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• 890 includes filter and virtual wall separator which are missing in 891

  Answered by Ravi 7 years ago

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