The Omni system has a specialized design to allow for simple adjustment of flow restriction, allowing complete control of the vapor to air intake ratio. Adjust by simply twisting the mouthpiece, which extends/retracts the condenser into the back end of the tip. It is not compatible with the M Tip or stem midsections.
What is there to say? It's a Dynavap so of course it's awesome. No matter how far I stray from it I always seem to come back to Dynavap. I really love the set it and forget it airflow with the Omni. It really gives that satisfying smoking ritual feel without the smoke. Also lightning fast shipping and top notch customer service from Vgoodiez as usual.