iRobot R3 500 Series Replacement Flexible Beater Brush, Pack of 3

alaTest has collected and analyzed 43 user reviews of iRobot R3 500 Series Replacement Flexible Beater Brush, Pack of 3 from Amazon.com. The average user rating for this product is 4.2/5, compared to an average user rating of 4.0/5 for other products in the same category on Amazon.com. Reviewers really like the usability. The price is also appreciated. Many are negative about the size.