Stainless steel keg wanted.

Guys, I've gone to the 'Dark Side' at the moment...made a still.

I am looking for a small SS keg. 15 to 25 litres is fine. So yes, a small keg, but I can cut a bigger one down.

I'm going to make a 'thumper' for my system.

I live in Richmond, Nelson so prefer something local if possible.

Cheap is good!

Thanks.