I don't know if you've waded through the entire thread, I used a SSV wand instead of the elbow, worked quite well and would hold much more than the elbow screen and would probably work even better with your adapter. I would use the elbow screen to hold the contents in place while the SSV stock screen would prevent it from being sucked into the wand. You could watch the vapor flow through the wand and adjust your draw speed. This also allows for stirring for max extraction.
@Tweak - Hi, on your advice , ordered and received an SSV Wand.
First off, Wow! It's bigger than I expected. Could one direct-draw from it, without attaching a whip hose? I'm imagining low temp flavor-blasts! Oh great, I just drooled! (hmmm, tonight's testing will reveal).
Secondly, looking at your picture in relation to the wand I received, I notice a difference. Just above the top of the cyclone bowl in your picture, is that sand? If it is, is it for diffusion or filtering?
Thanks much! I'm so looking forward to testing this wand in conjuction with the F/F adapter!