Bought for Bissell Healthy Home Vacuum #5770 and a bit disappointed. According to Bissell, this can replace the brush that came with this model (the brush that comes with it is much smaller). Since they didn't have these, I bought these to replace and I thought that's because it's larger than the original, which speeds up the cleaning of the sofa and stairs. Not correct. It looks like because the cleaner is wider and has a larger brushing area than the original brush, it doesn't have enough power to keep it going when you push the carpet a little and I don't push it too hard. general. Don't get me wrong, it still works, but takes a little longer to get the job done than the original brush. I'm sure it works fine with the vacuum it's sold with, but not the 5770.