What model of scuba regulator is this?

[Divingscene]

Hello guys,

I found this regulator first stage and I was wondering which model it is. I thought MK20 scubapro, but it's slightly different.

Please help me out! Thanks in advance!

Will
www.diving-scene.com

 

[Tanks A Lot]

That is an XS Scuba Sea Air.

 

[Divingscene]

Much, much appreciated!