This is the TAG hydrotube in action. https://streamable.com/8bab0i

It is a sweet piece of glass if you can find it online. There are some hydrotubes on Amazon. Here is the link for one. This one is a 14mm female.

https://www.amazon.com/dp/B0831B88KY/ref=cm_sw_r_cp_apa_i_m526EbRR4CNWD