Dynavap Stem Full Color- Secret White/ Red Blue Green

Dynavap glass full color stem that is approximately 3.5 inch. Stem comes with 2 additional o-rings (6x1.1mm) that are 0.1mm larger than the stock oring to ensure a secure fit.

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