“What do the model numbers indicate. Do higher models have better features?”

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• I don't know about the 891 but I have a 890 I feel it does a good job for me I have 4 dogs just clean the rollers underneath out keep filter clean and emptied.I had a 690 a few years back did not like it piece of junk it does seem that the higher numbers is better quality.

  Answered by bestbuy 7 years ago

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• Yes

  Answered by Woogie68 7 years ago

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• after the 600,s the roller change to rollers not brushers

  Answered by Judy 7 years ago

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