I was concerned that the quality of the replacement filters would be inferior to the ones that came with my Eufy 11S Max. I was surprised they are even better! They seem to collect a lot more and are easier to clean. First I use a brush, then I take the filter outside and smack it on the deck. Wow! There's a lot more to the filter than you can see by looking at it. Haven't used the replacement roller or brushes but they seem to be at least the same quality as the original.