Can anyone identify this equipment ?

[Externet]

Hi.

Vomited by the sea :

 

 

[Ghideon]

@Externet It may be part of an offshore cage for fish farming or similar.

 

source: http://www.fao.org/3/a-i4508e.pdf

 

 

Edit:

Pipes seem to be much larger that I initially thought, I guessed 35-50 mm

(Source : https://menorcaaldia.com/2020/07/22/retiran-20-m-de-tuberias-de-un-emisario-submarino-que-habia-llegado-a-la-costa-de-menorca/ )

 

Invalid due to the new image:
The white pipe parts look like pipes typically installed under a wash basin. 
What is the diameter of the pipes? 35-50mm?

 

Edited July 23, 2020 by Ghideon
Found additional information

[Externet]

Thank you !   Looks exactly as suggested.