Kirby Avalir 2?

[cibibikeru]

Muffler

You can see the muffler as part 5 in the diagram from UK user manual, I didn’t see it in the US manual.

 

[tolivac]

So its not referring to the emptor-but a separate part-no the US Avalirs don't have that "muffler" part.Guess this to meet the UK noise standards?