Full disclosure: Of all the parts I only had to replace the filter and brush. Additional nozzles are removed from the system, which makes it easier to clean the filter. The brush heads are different from the original: the original looked like five rubber sticks, and this item has three sticks, but they have brushes on the end. So far I haven't been able to tell any difference for better or worse. The blow bars look the same as in the block (but I haven't had to change them yet). the original, but anyone who has an S6 knows of course that they don't wipe, but carry around a wet washcloth with them.