Dynavap 3.5mm 2 Terp pill Stem w/ carb and alt. dimpled Mp- Ultramarine

16mm Dynavap glass stem with 3.5mm walls. The stem features 2 terp pills, a carb hole, and a dimpled mouthpiece with an oval hole.  Stem is 3 inch long and comes with 2 additional o-rings (6x1.1mm) that are 0.1mm larger then the stock oring to ensure a secure fit. Stem will not work with helix tip

*Stem works the best with stock o-rings. Some tips work best with one 6x1.1mm o-ring in the uppermost o-ring position that inserts inside the stem.