N2 method in UK: how to know what adaptor connects N2 tank to diving regulator?

[Kruger]

I obviously can't ask the vendor as it would be obvious what I was planning

 

[endergames]

@Stepheng7287 recently posted his experiences about sourcing a regulator for the UK. You may wish to double check with him. His posts point to a regulator with a BS341-3 inlet connector.

 

[Kruger]

@Stepheng7287 recently posted his experiences about sourcing a regulator for the UK. You may wish to double check with him. His posts point to a regulator with a BS341-3 inlet connector.

yES i've just seen his posts and i'm super confused. He's not using the scuba method though as far as I know