Question about Dyson Soft Roller Cleaner Head

I would like to answer the question, but unfortunately I have no idea.
It fitted mine, even though the hoover was a different model.
It could be that Dyson is talking about the series, the whole series, regardless of the model.
From time to time the connections are changed, so if the entire series is renewed, the soft roller will probably
probably doesn't fit any more. But as I said, it's just a guess.