I made the mistake of buying a set with 2 rollers, 3 filters and 3 rotating brushes. I will NEVER make that mistake again. The grey-black reels lost their entire profile in about a week! The rolls were smooth! I would like to take a picture before I throw them away. What a joke. I bought THIS after and got the real deal. You MUST purchase GENUINE parts from IRobot. They still have a protector on after 3 months and are still going strong. Don't be fooled by cheap non-branded commercials. You are PRICELESS. GET THIS and no others. Btw I have a model 980. After reading other reviews about noise etc I didn't even notice a difference in noise. This product works great. Maybe it's the Roomba model or the type of floor. I have real wood, granite and Berber carpets. The vacuum cleaner is no different for me and it works the same as the original rollers that I got in the vacuum cleaner.
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