Carb Stone with 1/2" Female Thread

[DowneastCider]

I have a couple stones with a 1/2" female threaded connection. I'd like to find some more. It is proving harder than I thought. Anyone seen these around?

I don't need a tri clamp connection or anything fancy. These are going to be used for oxygenating, they will attach to a 1/2" MPT stainless rod that sticks into the fermenter.

Thanks

[BingBrew]

This is the guy I picked up... as long as a 4" stone works. For some reason this item seems hidden on the website. http://www.gwkent.com/pico-carbonator.html

[DowneastCider]

This is the guy I picked up... as long as a 4" stone works. For some reason this item seems hidden on the website. http://www.gwkent.com/pico-carbonator.html

That appears to have a 1/4" connection. I was looking for 1/2".

I gave in and ordered the closest thing I could find, 1/2" MPT (instead of female) and will use a union.

[BingBrew]

So right you are... And I just bought a barb for this. 'Doh.