Old primus gas bottle, can you still get refilled or exchanged?

[pjgtech]

From my old plumbing days, I still have an old primus gas bottle, (340g) with the screw in brass top, with the adjustable burner, that is now almost empty.
Was mainly used for soldering copper pipes/fittings.
Despite being old I do still use it on occasion, for a bit of soldering, paint removal, etc.
I think I got it refilled (or exchanged) a few years back, but can't seem to find anyone that does these now.
Does anyone know if these can still be refilled or exchange the empty bottle for a full one, and if so where?
Or is it just a case of buying a new one?

 

[pjgtech]

Ok, now found a local place, plumb city in Sittingbourne.
I was not searching for the correct term, eg: should have bee primus 2000, and then suppliers come up, so now sorted cheers.....