Screwball by Vapvana small Never fill the bubbler while

Never fill the bubbler while it is installed on the device

the additional airflow makes clearing this bubbler of vapor at the end of the inhale particularly easy

Comes without box or manual

Setting temperature (after the burn off):

30-Second Heat-Up Time

Screwball by Vapvana small Never fill the bubbler whileThe Screwball by Vapvana has been meticulously designed to be what is one of the heaviest hitting diffuser style dry herb vaporizer on the market. It can be run as either a convection heavy or as true hyrbid setup, making use of convection (hot air) and conduction (hot surface) if the bowl is left to heat soak for around 15 seconds! Now comes with the Modular Bowl, Wood Handle and updated Housing Guard (not shown in pictures). The Screwball has the