@swieder711 The Ed's stem by
@Ed's TnT is different than the stems that come stock with the Solo 2. Ed's stem is a basket type screen. The pic above by
@AJS. That is the 3D Booster. It being as short as it is I didn't notice any cooling of the vapor in the Solo OG of mine. I have the Atomic airflow Booster stem that isnt the 3D and its longer. It cools the vapor.
This is the Atomic Flow Booster from
@Ed's TnT this uses a basket screen as well. This works better to cool the vapor. The 3D Booster is too short IMO to do much cooling. It's a beautiful piece though. Probably use a lower temperature with the shorter 3D Booster.