Discussion on artificial ants nests including Test Tubes, Soil Nests, Foraging Areas and Ytong Nests
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By Cursico
The vertical ones? I don't think they stock those- but if you mean the two zoomed in pictures of the corner bolts- those ones are just like the others.
As for their size- the number indicates the amount of chambers.
If you mean the ones I think you mean- RobJ has done videos showcasing those ones- for example the size 16 here:

Hope that helps and I've not just completely misread which nest you're talking about xD

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