Component name

[Smithomatic@hotmail.]

Hi I was wondering if someone could tell me the name of this part? This is the connection between my trap and my sink waste that has deteriorated. Can't seem to find a replacement. Any advice or links to what I need to buy would be much appreciated. UK based. Thanks

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[jj4091]

A new trap I think, is that not part of it. Pic of the waste and trap might help.

 

[CountryFan]

Looks more like speedfit fitting. Not like anything I’ve seen before, as above a picture tells 1000 words